Postoptimality
[计] 优化后
🗣️ 情景例句
I've got it. This one's on me.
我都付了。这一顿我请客。
In all things, it is better to hope than to despair.
凡事抱希望为佳，不应悲观而失望。
The eraser goes from one student to another first one way, then another.
橡皮擦从一个学生传给另一个学生－先从这个方向传过去，然后返回来。