Optimum number
[计] 最佳数
🧩 词语组成解析
🗣️ 情景例句
I'm putting in my notice.
我要递交我的辞职报告。
Tom graduated from college at a very young age.
汤姆很年轻就从大学毕业了。
We invited them to our party but they decided not to come.
我们请了他们参加聚会，但他们决定不来。