1.Menlo Ventures:a venture capital firm located at 3000 Sand Hill Road in Menlo Park，California.The firm was founded as one of the earliest venture capital firms in Silicon Valley in 1976 and provides technology venture capital funding for seed，early stage and growth companies.Menlo Ventures invests in consumer Internet，mobile，communications infrastructure，enterprise，security and storage.Since its founding in 1976，the firm has invested successfully in more than 400 companies，including Uber，Fab.com，Dropcam，3PAR，Ironport Systems，Machine Zone，Siri，PlaySpan，Coraid，Rover.com and Vidyo.门罗风险投资公司

2.Gilt Groupe:an online shopping website based in the United States.It was founded in 2007 and has over 6 million members.吉尔特集团

3.One King's Lane:a flash-sale home decor business that operates a furniture and home accessories sales website.

4.Andresseen Horowtiz:a＄4 billion venture capital firm，founded in 2009 by Marc Andreessen and Ben Horowitz.The company is headquartered in Menlo Park，California.

5.Venture capital（VC）:financial capital provided to early-stage，high-potential，growth startup companies.The venture capital fund earns money by owning equity in the companies it invests in，which usually have a novel technology or business model in high technology industries，such as biotechnology and IT.The typical venture capital investment occurs after the seed funding round as the first round of institutional capital to fund growth（also referred to as Series A Round）in the interest of generating a return through an eventual realization event，such as an IPO or trade sale of the company.Venture capital is a type of private equity.Venture capital is attractive for new companies with limited operating history that are too small to raise capital in the public markets and have not reached the point where they are able to secure a bank loan or complete a debt offering.In exchange for the high risk that venture capitalists assume by investing in smaller and less mature companies，venture capitalists usually get significant control over company decisions，in addition to a significant portion of the company's ownership（and consequently value）.风险资本，风险投资

6.Groupon:a deal-of-the-day website that features discounted gift certificates usable at local or national companies.Groupon was launched in November 2008，and the first market for Groupon was Chicago，followed soon thereafter by Boston，New York City，and Toronto.By October 2010 Groupon served more than 150 markets in North America and 100 markets in Europe，Asia and South America and had 35 million registered users.高朋团购

7.Facebook:an online social networking service headquartered in Menlo Park，California.Its website was launched on February 4，2004，by Mark Zuckerberg with his college roommates and fellow Harvard University students Eduardo Saverin，Andrew McCollum，Dustin Moskovitz and Chris Hughes.The founders had initially limited the website's membership to Harvard students，but later expanded it to colleges in the Boston area，the Ivy League，and Stanford University.It gradually added support for students at various other universities and later to high-school students.Facebook now allows anyone who claims to be at least 13 years old to become a registered user of the website.After registering to use the site，users can create a user profile，add other users as“friends”，exchange messages，post status updates and photos，share videos and receive notifications when others update their profiles.Additionally，users may join common-interest user groups，organized by workplace，school or college，or other characteristics，and categorize their friends into lists such as“People From Work”or“Close Friends”.Facebook had over 1.3 billion active users as of June 2014.Due to the large volume of data collected about users，the service's privacy policies have faced scrutiny，among other criticisms.Facebook，Inc.held its initial public offering（IPO）in February 2012 and began selling stock to the public three months later，reaching a peak market capitalization of＄104 billion.脸谱网

8.Yelp:a multinational corporation headquartered in San Francisco，California.It develops，hosts and markets Yelp.com and the Yelp mobile app，which publish crowd-sourced reviews about local businesses.The company also trains small businesses to respond to reviews responsibly，hosts social events for reviewers，and provides basic data about businesses，such as hours of operation.Yelp was founded in 2004 by former Paypal employees at the startup incubator MRL Ventures.It was initially an unsuccessful email-based referral service，but was re-launched on the basis of unsolicited online reviews in late 2005.Yelp became a public company in March 2012 and became profitable for the first time two years later.As of 2014，Yelp.com has 132 million monthly visitors and 57 million reviews.The company's revenues come from businesses being reviewed on the site paying to advertise.According to Business Week，Yelp has“always had a complicated relationship with small businesses.Some of the disputes between Yelp and business owners are regarding businesses that fraudulently write reviews on their own locations，accusations of Yelp manipulating reviews to extort advertising spend，concerns about the authenticity of reviews as well as the privacy and freedom of speech of reviewers.（美国最大点评网站）

9.Ikea:a multinational group of companies that designs and sells ready-to-assemble furniture（such as beds，chairs and desks），appliances and home accessories.As of January 2008，it is the world's largest furniture retailer.Founded in Sweden in 1943，the company is known for its modern architectural designs for various types of appliances and furniture，and its interior design work is often associated with an eco-friendly simplicity.In addition，the firm is known for its attention to cost control，operational details，and continuous product development，corporate attributes that allowed IKEA to lower its prices by an average of two to three percent over the decade to 2010 during a period of global expansion.The IKEA group has a complex corporate structure and is controlled by several foundations based in the Netherlands，Luxembourg and Liechtenstein.As of December 2014，IKEA owns and operates 351 stores in 46 countries.The IKEA website contains about 12，000 products and is the closest representation of the entire IKEA range.The company uses approximately 1% of Earth's wood supply，making it one of the largest users of wood in the retail sector.宜家家居（瑞典公司）

10.operating expenses营业费用

11.personnel expenses人事费用，用人经费

12.pre-money valuation:a term widely used in private equity or venture capital industries，referring to the valuation of a company or asset prior to an investment or financing.If an investment adds cash to a company，the company will have different valuations before and after the investment.The pre-money valuation refers to the company's valuation before the investment.External investors，such as venture capitalists and angel investors will use a pre-money valuation to determine how much equity to ask for in return for their cash injection to an entrepreneur and his or her startup company.This is calculated on a fully diluted basis.Usually，a company receives many rounds of financing（conventionally named Round A，Round B，Round C，etc.）rather than a big lump sum in order to decrease the risk for investors and to motivate entrepreneurs.Pre-and post-money valuation concepts apply to each round.交易前估值，投资前估值

13.site traffic:website traffic or web traffic网站流量，站点访问量

14.contribution margin:the selling price per unit minus the variable cost per unit.“Contribution”represents the portion of sales revenue that is not consumed by variable costs and so contributes to the coverage of fixed costs.This concept is one of the key building blocks of break-even analysis.In cost-volume-profit analysis，a form of management accounting，contribution margin—the marginal profit per unit sale—is a useful quantity in carrying out various calculations，and can be used as a measure of operating leverage.Typically，low contribution margins are prevalent in the labor-intensive tertiary sector while high contribution margins are prevalent in the capital-intensive industrial sector.边际收益，贡献毛利，创利额