The initial act spared eight rivers and narrow buffer zones around them from DAMS and development.
最早的这个条例挽救了八条河流并缩小了围绕它们的大坝和开发地区的缓冲地带。
The initial act spared eight rivers and narrow buffer zones around them from DAMS and development. Today the list has grown to more than 200 rivers in 39 states and Puerto Rico.
法案最初仅保护八条河流及其周围狭窄的缓冲带不得筑坝和开发，如今这一保护名单已经增加到39个州的200多条河，还包括波多黎各。
Building these dams provided cheap electricity, created jobs for workers, stimulated regional economic development, and allowed farming on lands that would otherwise be too dry.
修建这些水坝可提供廉价的电力，为工人创造就业机会，刺激了地区经济发展，并允许在否则将过于干燥的土地上进行耕种。
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