由于世界上97%的水含盐量过高，不能饮用或用于农业，全世界的水供应需要谨慎管理，特别是在农业方面。
With 97% of the world's water too salty to be drunk or used in agriculture, the worldwide supply of water needs careful management, especially in agriculture.
游泳池和浴池里的水可以用于个人卫生、清洁以及相关用途，但是不可饮用。
Water from swimming pools and spas can be used for personal hygiene, cleaning, and related USES, but not for drinking.
然后这些水被用于同一地区：用于浇地、放入水库，还可以用于饮用水。
Then it's reused in the same location: It's used to water fields. It's put in reservoirs. It can also be used for drinking water.
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