1. 

   robinxing

   以前订过一段时间，不过感觉s&c的风格有些变化，不太喜欢这两年的文章。

    

   robinxing, Jul 7, 2008

   #21
2. 

   fred1819fred

   期权还是很有意思的;不知有谁在做美股期权??

    

   fred1819fred, Jul 30, 2008

   #22

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