Effciency
[机] 效率
🗣️ 情景例句
I'm a foreign student, and I'd like to make some new friends.
我是个外国学生， 我想交几个新朋友。
I'm sorry, but I didn't understand your question. Could you please restate it?
对不起，你的问题我没有理解，请你再说一遍好吗？
That's not so good.
这样不太好吧。