We should search as widely as possible and with every available means for source

游客2023-09-22 55

问题 We should search as widely as possible and with every available means for sources of fresh water that seem to be the least costly.

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答案我们应该在尽可能大的范围内，并以一切现有的手段去寻找可能是最廉价的淡水源。

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