1. Gold coin, silver coin, copper currency, renminbi, the memorial currency, the game currency, return to have QQ currency; 金币，银币，铜币，人民币，纪念币，游戏币，还有QQ币；
2. Rapid development of electronic currency influences the currency multiplier and greatly influences currency supply and currency policy. 随着电子货币的迅速发展，对货币乘数产生了深刻的影响，极大地影响到了现有的货币供给和货币政策。
3. There are two determinate factors to currency supply capacity: one is currency IER, the other is basic currency. 货币供给量的决定因素有两个：一是货币乘数，另一个是基础货币。
4. the price at which the traveller purchases foreign currency from domestic currency differs from the price of exchanging back surplus foreign currency. 旅行者用本国货币购买外汇的价格，不同于将剩余外币兑换回（本国货币）的价格。
5. Currency Substitution (CS) means that the foreign currency, serving as a media of exchange and a store of value substitutes die domestic currency by domestic residents in some ways. 货币替代特指外币替代本币执行交易媒介和价值储藏职能的情形。
