We carry out comprehensive trials for building waste-free cities.

全面开展“无废城市”建设试点。

Cities without waste is a pilot program that will provide both environmental and economic benefits.

“无废城市”是个会产生环境和经济效益的试点项目。

A new round of “waste-free city” construction has been launched in many cities.

许多城市已经开展了新一轮的“无废城市”建设。

来源同文世纪翻译，转载请注明出处！