Actuarial science is a science that uses the theory of probability mathematics and various financial tools to analyze and predict economic activities.
In western developed countries, actuarial science plays an important role in insurance, investment, financial supervision, social security and other fields related to risk management. Actuaries deal with "future uncertainty", and their purpose is to provide basis for financial decision-making.
Actuaries are individuals whose qualifications are recognized by financial and insurance regulators. In insurance companies, actuaries are the core talents in the core departments, with extremely high status, power and responsibility.
The ending of "The Wind Dog Boy's Sky" is that Brother Dog, Brother Mi and Mouth were all admitted to ideal universities, but they chose to go abroad