Public transportation helps to cut down on pollution and traffic.
公共交通系统可以减少污染和缓解交通负担。
We should go out by public transportation to fight against air pollution.
为了防止空气污染，我们外出应该乘坐公共交通。
Noise from transportation is one major source of noise pollution.
交通噪音是噪音污染的主要来源。
With advances in transportation has come the problem of pollution.
交通的日新月异让环境污染问题浮出水面。
After several years'efforts, the previously serious pollution in coal transportation system has been ba…
通过多年整治，使输煤系统原本严重的污染从根本上得到了控制。
After several years'efforts, the previously serious pollution in coal transportation system has been ba…
通过多年整治，使输煤系统原本严重的污染从根本上得到了控制。
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