Arm's-length
[经] 正常交易关系
🧩 词语组成解析
🗣️ 情景例句
As I said, mostly the building just needs a good cleaning.
就像我先前所说的 这栋建筑物大部份仅需要好好打扫一下
Don't forget to write your return address on the letter.
不要忘记在信封上写你的回邮地址。
It doesn't make sense.
这没有意义（不合常理）。