1. 联邦储备钞券：Federal reserve note联邦储备钞券 | the UNITED STATES OF AMERICA 美利坚合众国 | This note is legal tender for all debts,public and private 该券是合法的支付手段,用于私人和公共债务
2. 美钞：Federal Fund Rate ==> (美国)联邦资金利率 | Federal Reserve Note ==> 美钞 | Federation of Economic Organizations ==> 经济团体联合会,经济团体联合会