(0/) 2012-02-08 10:18:08
Top ten Commencement speeches (图)
(0/) 2012-02-08 09:47:58
Sheryl Sandberg, Barnard College Commencement 2011
(0/) 2012-02-08 09:43:12
Steve Jobs_Stanford Commencement Speech 2005
(0/) 2012-02-08 09:41:30
2008 J.K. Rowling Speaks at Harvard Commencement
(0/) 2012-02-08 08:38:48
Steven Chu - 2009 Harvard Commencement Address
(0/) 2012-02-08 07:40:43