attend to照顾; be devoid of gratitude忘恩负义; drive off loneliness驱除孤独; emotional support精神上的支持; care and comfort关心爱护; beadhouse养老院; inane空虚的; live out one's life in retirement退休安度晚年; old age boom高龄化高峰; old and infirm老弱病残的