1.Santa Clara University:a private non-profit Jesuit university located in Santa Clara，California.Founded in 1851，Santa Clara University is the oldest operating institution of higher learning in California.圣塔克拉拉大学，是美国的一所著名的非盈利私立天主教学校，坐落于美国加利福尼亚州。建立于1851年的圣塔克拉拉大学是在加利福尼亚州最老的一所高等教育机构。

2.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脸谱网，创办于美国的一个社交网络服务网站，于2004年2月4日上线，是世界排名领先的照片分享站点。

3.ABET（Accreditation Board for Engineering and Technology，Inc）is a non-governmental organization that accredits post-secondary education programs in“applied science，computing，engineering，and engineering technology.”The accreditation of these programs occurs mainly in the United States but also internationally.As of October 2012，around 3，278 programs are accredited，distributed over more than 670 universities and colleges in 23 countries.工程与技术认证委员会

4.Challenger explosion:the Space Shuttle Challenger disaster occurred on January 28，1986，when the NASA Space Shuttle orbiter Challenger（OV-099）（mission STS-51-L）broke apart 73 seconds into its flight，leading to the deaths of its seven crew members，which included five NASA astronauts and two Payload Specialists.挑战者号航天飞机爆炸事件

5.due diligence:a term used for a number of concepts，involving either an investigation of a business or person prior to signing a contract，or an act with a certain standard of care【经济学、金融业】合法清查，正当查账；对公司所有活动的精确计划和对生意决定的意义的审查

6.APP store（or app marketplace）:a type of digital distribution platform for mobile apps.App stores typically take the form of an online store，where users can browse through these different app categories，view information about each app（such as reviews or ratings），and acquire the app（including app purchase，if necessary—many apps are offered at no cost）.The selected app is offered as an automatic download，after which the app installs.Some app stores may also include a system to automatically remove an installed program from devices under certain conditions，with the goal of protecting the user against malicious software.应用商店，应用程序商店