Compossibility
共存性
🗣️ 情景例句
What are you working on?
你在干什么？
The small courtesies sweeten life; the greater ennoble it.
有点礼貌使生活愉快，多点礼貌使生活高尚。
'Oh dear,' said the conductor suddenly.
“哎呀，”售票员突然说，