Elon Musk担忧人类是否在灭绝之前，有能力移民其它星球. 人类必须走向星际，离开地球, 也许能逃脱命运的枷锁.

来源: va168 于 2021-12-15 07:58:12 [旧帖] [给我悄悄话] 本文已被阅读：次

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