翻譯1-4

suppose that smoke is coming out of the stack of a steel mill.we can try to deal with this problem by asking two entirely different questions.one question is how can we clran up the smoke?"the other is "how can we avoid producing the smoke in the first place?
假設廢氣即將出去堆疊的堅硬製造廠,我們可以試者處理問題,藉由2個連續不一樣的問題,一個問題是我們如何清理廢氣,另一個是我們如何避免產生廢氣在第一現場