Codifferential
上微分
🗣️ 情景例句
on the school board,
在联合校董会中
It is a mistake to trust him.
信任他是个错误。
That sounds like a good idea. I have a few friends I could ring to see if they're free.
听起来是个好主意。我可以打电话给我的几个朋友看看他们是否有空。