Variation problem
[计] 变分问题
🧩 词语组成解析
🗣️ 情景例句
I might do the same thing.
我也可能会做同样的决定。
We must have your LC at least one month before the time of shipment.
我们必须在船运前一个月收到你们的信用证。
Hello, Mr Zhu. I've come to say goodbye. I'm leaving on Sunday.
你好，朱先生。我是来道别的。我星期天离校。