Foldbacks
(foldback 的复数) 返送（系统）, 监听（系统）
🗣️ 情景例句
I have to agree with you.
我不得不同意你的看法。
Goes without saying.
可想而知。
I'm afraid some people forgot to sweep the floor.
它不如平时干净，恐怕是一些人忘记扫地了。