而且，小汽车也在空气中释放污染。

In addition, all those cars release pollution into the air.

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西欧当年运输到纽约的瓶装水释放污染也有3800吨。

Western Europe's shipment of bottled water to New York City that year released 3, 800 tons of pollution.

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例如，汽车污染的空气影响了人们的呼吸，工厂释放污染的气体，山上的树木被砍伐。

For example, cars have made the air unhealthy for people to breathe and poisonous gas is given off by factories.

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