总结，加强监管力度是解决水污染的有效途径。
In conclusion, the strengthening of supervision serves as an effective solution to water pollution.
城市水资源化是解决水危机、防治水污染的有效途径之一。
Sewage utilization is one of the most effective measures to solve the crisis of water resources and prevent water pollution.
中水回用可以防治水污染，保护水环境，也是解决城市水资源不足的一个重要途径。
The recovery and utilization of the intermediate water, which can prevent water pollution and protect environment, is an important way to solve the problem of the shortage of urban water resources.
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