Derivativeness
可微商性, 可微商情况
🗣️ 情景例句
You don't know what you are talking about.
你不知道你在说什么。
You must reap what you have sown.
种瓜得瓜，种豆得豆。
And this is Chang-woo.He's Korean.
这位是昌宇。他是韩国人。