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Water
水
The world is not only hungry,but also is short of the water.This may sound strange for 70% of the surface of the use is covered by water.But 97% of this is sea water or soft water.Man can only use the other 3% fresh water that country rivers,lakes and from other ground and we can't ever use all of that because some of them are the iceberges and glaciers. What's worse, some of the fresh water has been polluted.Our need of water is increasing rapidly day by day. So we should take the measures to solve the problem.
全世界不僅受到饑餓的挑戰，更加缺水。地球表面的70%都被水所覆蓋，這似乎讓我們感到非常奇怪。但是，在這些水資源中有97%是海水，或是軟水。人們只能夠利用那余下的3%，這些水來自河流、湖泊、地表，我們無法利用所有的水資源，因為有些是冰川和冰山。更嚴重的是，許多淡水資源得到了污染。而我們每天對水資源的需求還在增加。所以，我們需要采取措施來解決這一問題。
