大家小时候学英语

有没有学过《新概念》呀

书的封面上写的就是：

new concept English





concept

/ˈkɒn.sept/

n.概念



I don't think you have any concept of the pain you have caused her.

你对自己给她造成的痛苦根本就一无所知。



The concept of free speech is unknown to them.

他们没有**的概念。