是一个英文单词,名词,如津巴布韦元纸钞上用的dollar,japaneseinvestorsoncepaidtopdollarforthemostglamoroushotelsintheunitedstates.thegovernmentisspendingbillionsofdollarsonnewurbanrailprojects.shegetspaidsevendollarsanhour.dollar的含义不单指美元,