描述 关于所有社会保障福利计划的基础知识。 訪問此資源 English > https://www.ssa.gov/pubs/10024.html Korean > https://www.ssa.gov/multilanguage/Korean/10024-KOR.pdf Russian > https://www.ssa.gov/multilanguage/Russian/10024-RU.pdf Arabic > https://www.ssa.gov/multilanguage/Arabic/10024-AR.pdf Energy Level 266
