You can't. The National Social Science Fund cannot charge fees due to insufficient funds. The funding standards of the National Social Science Fund are: 350,000 yuan for key projects and 200,000 yuan for projects and youth projects. Time limit for the completion of national social science fund projects: 3 to 5 years for basic theory research and 2 to 3 years for applied countermeasures research. Applicants can only apply for one national social science fund project in the same year, and cannot participate in other national social science fund projects as members of the research group.