A Professor, I've handed in my paper. Did you read it? 教授,我的論文已經(jīng)交了。你看了嗎?
B Yes. You've done a good job. But there's one thing. You should narrow down your topic. 是的。你寫得不錯。但是有一個問題。你應(yīng)該縮小你的話題。
A What about water pollution instead of pollution? 用“水污染”代替“污染”怎么樣?
B Well done! 非常好!