concept

柯林斯詞典

1. N-COUNT A concept is an idea or abstract principle. 概念; 觀念
She added that the concept of arranged marriages is misunderstood in the west. 她補(bǔ)充說(shuō)包辦婚姻的概念在西方被誤解了。

In this country , time is an elastic concept.
It is sometimes easier to illustrate an abstract concept by analogy with something concrete .
The whole concept of democracy , she claimed , was utterly foreign to the present government .
Many voters are staunch anti-federalists, opposed to the concept of regional government .
This is a very difficult concept to get hold of.