Bicomplementary
互余集
🗣️ 情景例句
The costs of college get higher every year.
学费逐年增加，越来越贵。
The fork is dirty, Would you bring me a clean one, please?
这叉子是脏的，请你拿个干净的给我。
Well, I'll have tea by myself.
好吧，我一个喝茶了。