送交者: HunHunSheng 于 2005-3-01, 11:37:53:
回答: So your idea is 由 HunHunSheng 于 2005-3-01, 11:20:10:
If the natual resources are exhausted, teh worstcase scenarios is for the mandkind to go back to this normal conditions.
加跟贴
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