帮忙翻译一下英文谢谢谢 在北京大学光华管理学院经济学研究教授、携程旅行网董事局主席兼CEO梁建

帮忙翻译一下英文谢谢谢 在北京大学光华管理学院经济学研究教授、携程旅行网董事局主席兼CEO梁建 In the eyes of Beijing University Guanghua School of management professor research of economics, net of the journey that carry Cheng the board chairman and CEO James Liang. Over the past decades, China's economy has been rapid development and the fundamental reason is the structure and quality of population, but now China's population structure "has taken a turn for the worse. According to his research, China was born in the 1980s the population than in the early 1990s born population more 30% ~ 40%, compared with previous generations, the population of 90 "can be said is reduce the cliff.
According to his forecast, from the beginning of 2011, the proportion of China's labor and the aging population has dropped to 7.52021 years will be reduced to 4.2, which is equivalent to Japan in 1992, if not well deal with, there may explode in the 1992 crisis in Japan.