city water supply system 基本例句 城市供水系统 In a city like New Delhi, private citizens cope with an irregular water supply by privately contributing more than half the total cost of the city's water supply.比如在新德里市，市民为了解决供水不正常的问题，自行捐资建设城市供水系统，捐资数额占工程总成本的一半以上。