我们之所以能够开始联想——在月球上建立一个自给自足的家，这是因为上周美国航天局宣布在月球上发现了大量水。

We can finally begin to think seriously about establishing such a self-sufficient home on the Moon because last week, NASA announced that it had discovered large quantities of water there.

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而是自给自足，不联通电网的家，能自己提供水，能源和暖气。

Rather they are self-sufficient, off-grid homes that provide their own water, power and heating.

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