氯碱工业产生的三废及部分氯产品，对人类赖以生存的环境带来一定冲击和破坏作用。
The"three wastes"and some chlorides from chlor-alkali industry have destructive impact on environment where we are living.
金融风暴对我国的经济造成了一定的冲击，但同时也为我们带来了新的机遇和挑战。
The financial storm has brought some impact to our country's economy, but it also provided us new opportunities and challenges.
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