Replacement problem
[计] 置换问题
🧩 词语组成解析
🗣️ 情景例句
Which band of College English Test have you passed?
大学英语考试过了几级？
This offer is firm subject to your acceptance reaching us not later than December 15.
此报盘为实盘，但以我方在12月15日前收到你方答复为准。
Even his way of walking down the street and turning a corner could be recognized as his own.
就连他在街上走路和他转过拐角的那姿式都可以看出是他自己独有的。