Water management is an inherently difficult challenge, and experience counts for a lot. Practice shows that local levels of government provide the most efficient water management, even if regulations must necessarily be national in scope.
水资源管理注定是一项艰巨的挑战，经验在其中能起到很大的作用。实践告诉我们：即使全国需要实行统一的节水政策，但由地方政府对水资源进行管理却最为有效。但在实际上，没有几个国家的政府愿意接受这样的分工。