Cofunctor
上函子, 反变函子
🗣️ 情景例句
You will waste a lot of money trying to keep up with the newest fashions every year.
为了跟上每年最新的时装潮流，你得花大把的钱。
Why are you so mean? I've never done anything to you.
凶什么凶？ 我又没得罪你。
I'm glad to hear that.
真是好消息，