羚羊doesn't have to outrun猎豹to survive, 猎豹just
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送交者: chouqilozi 于 2005-3-17, 14:58:33:
回答: 羚羊揭示了进化论的致命问题 由 随便 于 2005-3-17, 14:49:54:
pick the weakest out of many 羚羊.
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