吉林摄影出版社定价:25.90元该书收录了美国总统、世界首富、著名演员、诺贝尔奖获得者等数十位全球知名人士在耶鲁大学、哈佛大学等世界名校毕业典礼上的精彩演讲。他们或由国际大势出发畅谈未来发展,或以自身 Jilin Photography Press Pricing: 25.90 yuan The book contains dozens of celebrities such as the President of the United States, the world’s richest man, famous actress, Nobel laureate and other celebrities at the graduation ceremony of Yale University, Harvard University and other world famous speeches. They either start from the general trend of the world and talk about their future development or themselves