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1·If humans are ever going to establish any sort of base on the moon, it'll be a lot easier with a local source of water; the stuff is, after all, awfully heavy to lug all the way from Earth.

如果人类想在月球上建立任何程度的基地，当地有水源的话会容易得多，毕竟从地球运水会重得让你吃不消。