征信，简单来说就是信用信息的整理收集和评估，一个人信用是否良好从征信报告就能得知，征信有黑户与白户区分，那么什么是黑户征信？下面看介绍。
how can i load a working iframe app (tested via http://apps.facebook.com/my-app-name) into an application tab on the profile page of my own fanpage. I got the tab, but didn\'t see anything in the tab.
加载中,请稍侯......