功课在此

来源: 于 2010-04-23 17:24:54 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

http://www.youtube.com/watch?v=GmUeAsYxn-Q
http://www.youtube.com/watch?v=XPvAuptIg6I&feature=related
http://www.youtube.com/watch?v=ZUCBXa01Osc&feature=related