However, not all people know that noise is also a kind of pollution and is harmful to humans' health.
然而，并非所有的人都知道噪音也是一种污染，而且有害于人类健康。
However, not all people know that noise is also a kind of pollution, and it is harmful to human's health, too.
然而，不是所有的人都知道噪音也是一种污染，它也对人类的健康有危害。
However, not all the people know that noise is also a kind of pollution, and that is harmful to human health, too.
然而，并不是所有的人都知道噪音也是一种污染，对人类健康也是有害的。
However, not all the people know that noise is also a kind of pollution, and that is harmful to human health, too.
然而，并不是所有的人都知道噪音也是一种污染，对人类健康也是有害的。
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