Earmarking
[经] 指定用途
🗣️ 情景例句
You should use 'officer' to address a policeman.
你应该用 'officer' 来称呼警察。
Sail while the wind blows; wind and tide wait for no man.
驶船要乘风，风潮不等人。
What happened on the march then?
那么 ，在游行中发生了什么事？