20-80

回答: 这件惨剧是这样发生的noso2009-02-11 07:05:31

I never believed in gambling, I have been right about that.

you win 20% of the time, and you lose 80% of the time, at the end, you lose.

所有跟帖: 

请您先登陆,再发跟帖!