Optimality
[计] 最佳性
🗣️ 情景例句
If anyone has any objections, now is the time to voice them.
如果有人反对，现在就可以说出来。
I was wondering if you'd let me stay with you for a few days.
不知道你能否让我在你这里住几天。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。