Differentiating
[计] 微分的
🗣️ 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
Marry your son when you will, your daughter when you .
给儿子娶亲，想在什么时候皆可；把女儿嫁人要在有力量时才行。
When were you born?
你什么时候出生的？