城市将受到那些威胁健康的环境问题的困扰，例如缺乏饮用水，卫生设施和废弃物处理设施。
Cities tend to struggle most with health-threatening environmental issues, such as the lack of safe water, sanitation and waste.
我们最关心的是那个城市的饮用水问题。
What we concern most is the problem of drinking water in that city.
城市用水需求预测是涉及到诸多要素的复杂系统预测问题。
Municipal water demand prediction was a complex system predictive issue including a good many of factors.
过度抽取地下水也是缺水城市地区面临的主要问题，尽管人们正努力缩减城市人口和用水需求。
Excessive pumping of groundwater is also a major problem that plagues thirsty urban areas as they struggle to keep up with rising populations and water demand.
饮用水缺乏是很多城市的一大问题。
The shortage of drinking water is a big problem in many cities.
目前中国很多城市的用水，无论是在制度、政策和管理上，还是在利益分配上，抑或是用水行为上，都存在多方面的问题。
Nowadays, various problems have existed in water consumption of cities, not only on the systematic, policy and management level, but also on the interest distribution and using water behaviors.
城市水资源短缺和地表饮用水源污染已成为全球范围的重大问题和人类社会共同关注的焦点。
The shortage of urban water resources and the pollution of surface drinking water sources have been world wide problems which received much attention from all society.
城市饮用水安全问题，越来越受到人们的关注。
People pay more and more attention on drinking water's security problem.
城市饮用水安全问题，越来越受到人们的关注。
People pay more and more attention on drinking water's security problem.
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