Foldbacks
(foldback 的复数) 返送（系统）, 监听（系统）
🗣️ 情景例句
Please come and see me in my office on the 20th floor.
请到二十楼我的办公室来见我。
I envy you your health.
我羡慕你健康和身体。
You should then establish your own individual aims.
然后，你一定要建立起自己的目标。