linThe answers to these questions involve two different ways of dealing with pollution. One is pollution prevention,or input pollution control,which reduces or eliminates the production of pollutants.
The other is pollution cleanup, or output pollution control, which involves cleaning up or diluting pollutants after they have been produced.
這些問題的答案涉及兩個不同的方法來處理污染。其中之一是防止污染，或輸入污染控制，從而降低或消除了生產中的污染物。
另一種是污染清除，或輸出污染控制，其中包括清理或稀釋污染物後，他們已生產。
