concept

n. /ˈkɑːnsept/ B1

概念；观念

A general idea or understanding of something.

仙境例句

The Caterpillar had no concept of hurry; a minute and an hour were all the same to it.

毛毛虫心里根本没有“着急”这个概念，一分钟和一小时在它看来都一样。