越来越多汽车进入我们的家庭生活，我们很开心生活质量得到很大提高，但是非常不好的是，它也给我们带来了很多问题，比如交通堵塞和交通事故。

With more and more cars coming into our families, we are happy that it has greatly improved our life. But unluckily, it has also brought many problems, such as heavy traffic and traffic accidents.

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