社會競爭中,純粹的利他行為,對於個人沒有好處。可悲。
所有跟帖:
• 是啊,可悲。最後大家都是社會環境的受害或受益者:) -有言- ♂ (0 bytes) () 05/14/2009 postreply 18:03:09
• 是啊,可悲。最後大家都是社會環境的受害或受益者:) -有言- ♂ (0 bytes) () 05/14/2009 postreply 18:03:09
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