历史是必然的还是偶然的？我觉得偶然性很大。小行星不撞地球的话，估计人类很难出现，恐龙太强大了

来源: caral 于 2025-12-12 10:33:02 [旧帖] [给我悄悄话] 本文已被阅读：次

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