Optimality
[计] 最佳性
🗣️ 情景例句
Good-bye.
再见。
How much is this land per acre?
每英亩地要多少钱？
One day she came into his office and happened to put her hands on the door of a locked safe.
一天，维拉走进父亲的办公室，偶然把手放在一个锁着的保险柜的门上，