许多贫穷国家的居民住在不符合标准的房子里,没有安全的饮用水、交通设施和其他基础服务设施。
Many residents in poorer countries live in sub-standard housing without (61) access to reliable drinking water, roads and basic services.
饮用水的安全与卫生越来越受到人们的重视,饮用水水质标准为人们提供了直观的水质依据。
People pay more and more attention to the safety and sanitation of the drinking water. The sanitary standards of drinking water provide the visualized standard of the water quality for the people.
饮用水的安全与卫生越来越受到人们的重视,饮用水水质标准为人们提供了直观的水质依据。
People pay more and more attention to the safety and sanitation of the drinking water. The sanitary standards of drinking water provide the visualized standard of the water quality for the people.
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