domain [dəˈmeɪn]

以下由轻松背单词网站提供

n.(活动等)领域，范围；领地，势力范围

an area of interest or an area over which a person has control

This information should be in the public domain. 这一消息应该为公众所知。
This question comes into the domain of philosophy. 这一问题属于哲学范畴。