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Paul：
Look at the traffic. It’s terrible!
瞧这拥挤的交通。太糟糕了！
Mary：
I know. There are too many cars on the roads these days.
可不是嘛，这年头，路上的轿车太多了。
Paul：
I agree. It makes it difficult to breathe.
没错。让人喘不过气来。
Mary：
Yes, there’s too much pollution too!
空气污染也太严重了！