我有一系统, 免费的. 不用看书和投资买信悉远硬件

来源: 于 2012-09-20 23:54:05 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

my system is:

 

buy low sell high, or

short high cover low

 

Anyone agree?