事实上，这是一个非常基本的想法：为了有一个好概念，你就必须要有一个坏概念，就像你不可能只有获得而没有失去，或是只有黑而没有白。

In fact, it is a very basic point: in order to have a concept of good, you must have a concept of bad, just like you can't have up without down or black without white.

youdao

事实上，这是一个非常基本的想法：为了有一个好概念，你就必须要有一个坏概念，就像你不可能只有获得而没有失去，或是只有黑而没有白。

In fact, it is a very basic point: in order to have a concept of good, you must have a concept of bad, just like you can't have up without down or black without white.

youdao