bI would like to exchange Chinese RMB for American dollars. Do you accept $100 bills?
aNo problem, we can accept any denomination. How much would you like to exchange today?
bWell, that depends on the rate. How much is the RMB trading at today?
aIt's a shame you didn't come a little earlier, the exchange rate was reset yersterday afternoon. The American dollar is now worth 7.45RMB.If you would like to sell RMB, we can give you a rate of 7.35.Will that be all right?
1. exchange money 换零钱
这里是动词，exchange也有名词词性，如exchange of fire交火。
It is illegal for public officials to solicit gifts or money in exchange for favours.
2. trade in... currency 以……货币进行交易
More than a year later, the People's Bank of China touted the program as a 'breakthrough, ' citing a surge in the amount of trade in the currency.
3. denomination 面值
The new telephones will accept coins of any denomination.
4. depend on 取决于
All of our economies depend on oil.
5. It's a shame (that) ... 很可惜……，很遗憾……
It's a shame that you have to leave so early.
6. be reset 重设
Toolbars can be reset to their original state.