First, it is easy for doctors at Oxford University to find jobs after returning to China, and their salaries are high. Generally, the salary of American universities is about 4-6w, and that of national laboratories is about 6-8w, which is basically enough for a family's living expenses, and the rest depends on which city.

Second, if you get a Ph.D. degree from an overseas university, tuition and miscellaneous fees are free, and there are living allowances, such as subsidies for research assistants or teaching assistants. The exact amount of the full doctoral award depends on the institution and doctoral tutor. In addition to the full doctoral award, there are scholarships, college grants, comprehensive tuition and miscellaneous fees and other awards set by schools or colleges.