我知道会有一个社会期望，即：我应该使用一个可重复洗涮的杯子，而不是扔掉一个纸杯。

I know there's a social expectation that I should be using a mug that I wash and reuse each time instead of throwing away a paper cup.

youdao

我知道会有一个社会期望，即：我应该使用一个可重复洗涮的杯子，而不是扔掉一个纸杯。

I know there's a social expectation that I should be using a mug that I wash and reuse each time instead of throwing away a paper cup.

youdao