People have figured out how to use water more efficiently, and communities are rethinking their priorities for water use.

人们已经找到了更高效利用水的方法，并且社区正在重新考虑他们用水的优先顺序。

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No matter what steps governments take to provide water more efficiently, they must change their institutional and legal approaches to water use.

无论政府采取什么措施来更有效地提供水，都必须改变对用水相关的制度和法律法规。

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They were also the first to use lead to make longer pipes, which could carry water more efficiently.

他们也最早使用铅来制造长水管，改善输水效率。

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The independent body said suppliers should reduce leaks, while customers could use water more efficiently.

BBC: NEWS | UK | England | Water watchdog's supply concerns

Even where irrigation is feasible, plants that use water more efficiently are needed.

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People need to use water more efficiently if shortages are to be avoided in the future, the managing director of Jersey Water has said.

BBC: Jersey water boss wants water behaviour change