reasonable use of water

例句：

1. 1. The city has implemented a policy to encourage rational use of water in residential areas.
   该市实施了一项政策，鼓励居民区合理使用水资源。
2. 2. The farmer practices sensible use of water by irrigating the crops only when necessary.
   这位农民通过只在必要时灌溉作物来实践合理使用水。
3. 3. The company is committed to promoting rational use of water in its production processes.
   该公司致力于在其生产过程中推广合理使用水。