derank derank derank derank derank derankderank derank derankderank derank derankderank derank derankderank derank derankderank derank derankderank derank derankderank derank derankderank derank derankderank derank derankderank derank derankderank derank derankderank derank derankderank derank derank
不知道derank什么意思的不要加我好友,也不要进组谢谢
![](http://tb2.bdstatic.com/tb/editor/images/face/i_f25.png?t=20140803)