an officer aboard a ship who keeps accounts and attends to the passengers' welfare
purser详细解释
purs.er n.（名词）The officer in charge of money matters on board a ship or commercial aircraft.（轮船或班机等的）军需官，出纳员：在轮船或商业性班机上管钱的官员 来源：Middle English 中古英语 from purse [purse] * see purse 源自 purse [金钱] *参见 purse
