词源同notice,通知，留心。引申词义观念，概念。

1. The notion that art should be controlled by intellectuals sickened him.

他讨厌艺术应由知识分子所掌控的观点。

2. The very notion of price competition is foreign to many schools.

价格竞争这个概念对于许多学校都很陌生。

3. Their relationship turned the standard notion of marriage on its head.

他们的关系完全颠覆了传统的婚姻观念。

4. This is not a romantic notion but verifiable fact.

这不是一个不切实际的念头，而是一个可以证明的事实。

5. They have always looked askance at the western notion of democracy.

他们一直都怀疑西方的民主观。