true,"小概率事件”is considered in daily life,this is why

来源: WXC1204 于 2012-08-27 11:26:06 [] [旧帖] [给我悄悄话] 阅读数 : (44 bytes)

ppl are required to buy car insurance

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• right, right! :)) -老看客- ♂ 给 老看客 发送悄悄话 老看客 的博客首页 (0 bytes) () 08/27/2012 postreply 11:29:19

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