notions
A notion is an idea or belief about something.
idea , concept
We each have a notion of just what kind of person we'd like to be.
我们每个人都对自己要做个什么样的人有各自的想法。
I reject absolutely the notion that privatization of our industry is now inevitable.
我绝不接受我们的产业私有化在当今是不可避免的这种看法。