Complementariness
补充性
🗣️ 情景例句
I think I did the right thing
我觉得我做了一件对的事
If you always say NO,never be married.
常常说“不”字，永远难结婚。
Before we had time to worry about what might happen, we were back on the plain again.
我们还未来得及担心后果，车已重新开上了平地。