我有一係統, 免費的. 不用看書和投資買信悉遠硬件

來源: 於 2012-09-20 23:54:05 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

my system is:

 

buy low sell high, or

short high cover low

 

Anyone agree?