What does longevity mean?

It is difficult for people with a long history to make great progress in their careers, and it is also difficult for small people to seek careers and wealth, especially for promotion or business contracts at critical times.

This word comes from the theory of gathering three students, which is a kind of fortune telling. A kind of middle-aged life in the five elements fortune telling, corresponding to the non-Chen and expensive years in the voice of 60 Jia Zi. That is to say, people born in the year of Renchen and Guisi are all "flowing water".