The shortage of water resource has been a worldwide problem.
淡水资源短缺是全球性问题。
Drainage of wastewater has not only polluted water environment but also resulted in the shortage of water resource.
工业污水排放不仅污染水环境，而且加剧了水资源的紧缺。
Moreover, there is the shortage of water resource in China and the water pollution makes water resource crisis even severer.
中国水资源紧缺，而水污染又加重了水资源危机。
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