将需要数万亿美元用于公路、铁路、发电厂、自来水系统和社会服务机构的建设。
Trillions of dollars will need to be spent on roads, trains, power plants, water systems, and social services.
农业将如何应对来自其他经济部门的对水资源和淡水系统服务的更大竞争？
How will agriculture cope with increased competition for water and freshwater system services from other economic sectors?
排水系统一直是市政服务的主要问题。
Drainage has always been the main problem among municipal services.
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