Informal agreement
[经] 非正式协定
🧩 词语组成解析
🗣️ 情景例句
Have a nice flight.
祝您一路顺风。
What sort of guarantee do you offer on your product?
你们提供什么样的产品保证呢？
I picked up the receiver between two sticky fingers and was dismayed when I recognized the voice of Helen Bates.
我用两个沾满面糊的手指捏起了话筒。当听出是海伦。贝茨的声音时，非常丧气。