n.  〔活动、兴趣或知识的〕领域，范围，范畴

n.  〔尤指过去的〕领地，领土，版图

n.  〔网站的〕域名

n.  〔函数的〕定义域

• outside/within the domain of sth/sb

  （不）属于某种范畴

• Looking after the house was viewed as a woman’s domain.

  料理家务被认为是女性的份内之事。

• As more data are collected and methods for analysis improve, researchers will be in a better position to identify how different experiences, behaviors and environments relate to each other and evolve over time, with the potential to improve people’s productivity and wellbeing in a variety of domains. 在很多领域

BrE /əˌbriːviˈeɪʃn/