The Alliance to Rescue Civilization plans to build a permanentmoonbase to preserve DNA samples of all life on the earth and an encyclopedia of human knowledge.
拯救文明联盟拟建一个永久的月球基地，以保存地球上所有生命物质的基因样本和人类知识的百科全书。
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Nasa has been so keen to find water on the Moon because it brings the dream of a permanent lunar base one step closer.