社会公平是社会保障的出发点和归宿,现代社会保障制度是实现社会公平的强大武器。但在实现社会公平、完善社会保障制度的过程中,我们不能忽略效率。只有实现了公平和效率的最优组合,才能实现社会福利的最大化。 Social justice is the starting point and end-result of social security. The modern social security system is a powerful weapon for social fairness. However, in the process of achieving social fairness and perfecting the social security system, we can not ignore the efficiency. Only by realizing the optimal combination of fairness and efficiency can social welfare be maximized.