几个单词的区别?capital bill money cash currency

题目

几个单词的区别?capital bill money cash currency
用简短的英语回答

答案

capital：money or property,especially when it is used to start a business or to produce more wealth
bill：a piece of paper money
money：what you earn by working and can use to buy things
cash：money in the form of coins or notes rather than cheques
currency：the system or type of money that a country uses