劍橋詞典a government service in the US that allows people aged 65 and over to receive medical treatment （美國(guó)的）老年醫(yī)療保健制度 比較Medicaid a government service in Australia that allows people to receive medical treatment , paid for through taxes （澳大利亞的）醫(yī)療保險(xiǎn)制度 返回 Medicare