比爾蓋茨麻省理工學院演講/回饋:尋找最佳的方法改變世界
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比爾蓋茨麻省理工學院演講/回饋:尋找最佳的方法改變世界
Giving Back: Finding the Best Way to Make a Difference
William H. Gates III
April 21, 2010
Running Time: 0:58:32
http://mitworld.mit.edu/video/778
Giving Back: Finding the Best Way to Make a Difference
William H. Gates III
April 21, 2010
Running Time: 0:58:32
http://mitworld.mit.edu/video/778