N-SING
（某一团体或某类活动的）气质，精神特质，风气，思潮
An ethos is the set of ideas and attitudes that is associated with a particular group of people or a particular type of activity.
例句
The whole ethos of the hotel is effortless service.
该酒店的全部理念就是提供轻松的服务。
...the traditional public service ethos.
传统公共服务意识