In many European cities, people are saving water by using less.

在许多欧洲城市，人们通过减少用水来节约用水。

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In cities, we must pay close attention to saving water for industry, improving the rate of reused water and decreasing the drainage of polluted water.

城市用水应抓好工业节约用水，提高水的重复利用率，减少污水排放量。

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In cities, we must pay close attention to saving water for industry, improving the rate of reused water and decreasing the drainage of polluted water.

城市用水应抓好工业节约用水，提高水的重复利用率，减少污水排放量。

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