It involves many complicated problems. In the past, the factories did not care about the people. They emitted great amounts of waste gas and water, which affected the people's lives. Now, the people demand that the petroleum company do something, The petroleum company has brought up the problems and is seeking solutions step by step, though it has not yet succeeded.
這裡面牽涉到許多問題，過去工廠因為長期不照顧老百姓，但卻放了很多廢氣、廢水，影響老百姓的生活；現在民眾要求石油公司來做，石油公司把這個問題拿出來，真正一步一步在做，但是還沒有做完，這是一個事實，花的錢以及經費也相當大。