http://www.yanjun.org/blog/2004/04/04/%e6%9c%80%e8%bf%91%e7%9a%84%e7%83%a6%e4%ba%ba%e5%b0%8f%e4%ba%8b/ Fri, 22 Aug 2008 04:50:05 +0000 http://wordpress.org/?v=2.5