名詞 paper money:

1. currency issued by a government or central bank and consisting of printed paper that can circulate as a substitute for specie
   同義詞：folding money, paper currency

1. Because large sum of metal money is heaved and inconvenient to handle, government issue paper money.
   因?yàn)榇罅拷饘儇泿攀褂闷饋肀恐夭环奖?，政府便發(fā)行了紙幣。