The Population Action International study gives several solutions to the water problem. One way, it says, is to find ways to use water for more than one purpose. Another way is to teach people to be careful not to waste water. 第三就是少用农业水。
参考译文：
A third way is to use less water of agriculture.
本句节选自《World Water Shortage》
（责任编辑:doublejp）
