http://www.360doc.com/content/11/0123/19/59141_88548674.shtml
http://www.360doc.com/content/10/1011/18/2659519_60164097.shtml
http://www.360doc.com/content/10/1012/14/2659519_60358081.shtml
讲讲价
原文：http://www.cnblogs.com/stemon/p/4716873.html
