translation.en: I've seen this value of older people with so many of my friends in their 60s, 70s, 80s and 90s, who are still active as investment managers, farmers, lawyers and doctors.
translation.zh: 我在老年人身上看到这个价值 包括我那些60多岁， 70多岁，80多岁和90多岁的朋友们， 这些人依然是活跃的投资管理人， 农民、 律师和医生。