there is a bug in the sys. you could not read my former reply for the question 'how to hedge A CDO' WHY?

http://www.cnwallstreet.com/Community/view.asp?id=1438

我们可以看到关于这个主题你所发表的三篇回帖。不知你所指的是否还有其他更早的回帖？一般来讲，升级的时候应该不会丢掉这些内容的。