NDA National Directory Assistance全国工商名录助理
national food assistance agency国家粮食援助机构
national directory assistance全国工商名录助理
national study assistance loans助学贷款
national scholarshiptuition assistance system国家奖学
National Assistance Act国民救助法;国家援助法;详细翻译;国民扶助法
national assistance board国家济贫局
National Assistance Bureau国家支援办事处
the national assistance principle国家援助原则
N（名词） (in Britain) formerly a weekly allowance paid to certain people by the state to bring their incomes up to minimum levels established by law (英国)国家援助 (Now replaced by income support)