因为张淳自己没有车，他请他的朋友孟伟帮忙。
Since Zhang Chun doesn 't have a car himself , he asked the help of his friend Meng Wei .
孟伟表示，水专项是由环境保护部和住房和城乡建设部牵头组织实施，其主要目的是为了保障饮用水安全和改善中国的整体水环境。
The aim of the project is to guarantee safe drinking water and improve the overall water environment , Meng said .
孟伟