an organization in Washington, DC, for Americans who are at least 50 years old. It began in 1958 and offers its members medical insurance, a credit union and other advantages. It publishes a magazine and newspaper every month and produces two national radio series. It also tries to influence government policy in order to improve the lives of older people. 华盛顿特区的一个组织,面向至少50岁的美国人。它始于1958年,为其成员提供医疗保险,信用合作社和其他好处。它每月出版一本杂志和报纸,并制作两个国家广播系列。它还试图影响政府政策,以改善老年人的生活。