We should vigorously call for conserving water. 我們要大力提倡節約水資源。
There are some examples where irrigation systems have been transformed into propagable profitable businesses, reducing water use without affecting crop useyields. 這有幾個例子列舉出來灌溉系統被改造成可盈利的產業，節約水資源的使用卻不影響作物的產量。
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