用英文阐述如何节约用水

We can't make our own tears be the last drop of water in the world. And in many poor places people can't get clean water at all, we should save it.
In developing and utilizing water resources and in controlling water disasters, planning should be performed in a comprehensive and systematic manner with all aspects taken into account and with emphases on multiple purpose uses and achieving maximum benefits so as to allow full play to the multiple functions of water resources. And the development and utilization of water resources shall conform to the overall arrangement for flood control, follow the policy of deriving benefits while mitigating damages, and take into account the interests of both upstream and downstream, both left and right bank as well as all involved regions, so as to fully realize the comprehensive benefits of water resources.
But the first thing we must be learnt is to close the tap after using it.

我们不能使自己的眼泪成为地球的最后一滴水。而且在许多贫穷的地