notion
n. 概念，想法；缝纫用品；一时的念头，突发的奇想
复数 notions
例句
She had only a vague notion of what might happen.
对于可能发生的事她只有一个模糊的概念。
《牛津词典》
It might be considered heresy to suggest such a notion.
提出这样的见解可能会被认为是异端邪说。
《柯林斯英汉双解大词典》
I still believe in the notion of an egalitarian society.
我仍然相信平等主义社会的理念。
