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. 華盛頓特區的一個組織,面向至少50歲的美國人。它始於1958年,爲其成員提供醫療保險,信用合作社和其他好處。它每月出版一本雜志和報紙,並制作兩個國家廣播系列。它還試圖影響政府政策,以改善老年人的生活。