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为什么要节约用水？

节约用水是为了保护有限的水资源，保持生态平衡和可持续发展。水是人类生存和经济发展的基本需求，但全球的淡水资源却非常有限。通过节约用水，可以延长水资源的供应时间，减少水资源的浪费和过度利用，保护水质和水生态系统。节约用水还可以降低生活成本，减少水费支出。

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