Grammaticalization
语法化
🗣️ 情景例句
Would you like to give her a little farewell party?
你要不要为她举行一个小型欢送派对？
I meet the boy whose aunt is an accountant.
我遇到那个男孩的姑妈是会计。
When did you bring it to us?
您什么时候送来的？