在环境污染治理方面，西方国家主要实行污染者负担政策、排污收费政策、治理污染优惠政策等，取得了一定的成效。
In control environment pollution, western countries mainly take polluter burden, drainage pollution charge and control pollution's preferential policy.
在环境污染治理方面，西方国家主要实行污染者负担政策、排污收费政策、治理污染优惠政策等，取得了一定的成效。
In control environment pollution, western countries mainly take polluter burden, drainage pollution charge and control pollution's preferential policy.
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