Water resource shortage is one of problems that affect human being, and China is one of 13 countries with serious water lack, which is very severe in north China.
水资源短缺已经成为影响人类世界的一大问题，中国是世界上13个严重缺水国家之一，中国的水资源短缺在北方尤为突出。
Only if we take steps to deal with these problems now can we avoid a serious worldwide water shortage in the future.
只有当我们采取措施来处理这些问题，现在我们能避免严重的全球水资源短缺的问题，在未来的。
So water shortage has become one of the most serious problems.
所以水资源短缺已经成为一个很棘手的难题。
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