般情况下我不执着细讲也不佃查（fact Check)因为我看screen 眼睛吃力。

From an early age, John Paulson proved academic success. In 1973 he entered New York University’s College of Business and Public Administration and graduated summa cum laude with a degree in Finance. In 1980 he received a Masters of Business Administration from Harvard Business School. He gradated Harvard as a Baker Scholar — designation given to the top 5% of the class.
绝不是读书害怕challenge 读不好绕道。

至于你说的丁，所有搞体育的人为了出成绩，都必须放弃课业，美国也是，训练时间长。