Grammaticalization
语法化
🗣️ 情景例句
She has both a good brain and beauty.
她才貌双全。
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
I think there is a possible problem if you tell the manager about the thief.
我想，如果你向经理告发这个窃贼，可能存在这样一个问题。