Tell me the current rate for RMB, please.
請告訴我人民幣的現價。
What's your selling rate for RMB yuan in notes today?
你們今天人民幣現鈔的售價是多少？
What's the dollar going for today?
美圓今天的售價是多少？
Our buying rate for notes is 523 yuan for 100 dollars.
我們100美圓的現鈔買入價是523元。
It's 200 French francs at today's selling rate.
今天的賣出價是200法國法郎。
The buying rate of U.S. dollar notes is 460 yuan per hundred dollars.
美圓現鈔買入價是100美圓付460元。

Useful Phrases
buying rate 買進價格
selling rate 賣出價格

　
And how much will it be in Japanese currency?
換成日本幣是多少？
How much would I get for 300 Japanese yen?
300日圓可兌換多少錢？
I'd like to know the exchange rate for German marks.
我想知道德國馬克的兌換率。
What rate are you giving?
你們提供的兌換率是多少？
What's the exchange rate today?
今天的兌換率是多少？
Please tell me what you would give me for my U.S. dollars.
請告訴我這些美圓可以兌換多少錢。
Please tell me the current rate for sterling.
請告訴我英國貨幣的現行兌換率。
If you'll wait a moment, I'll find out the rates of exchange.
請等一會兒，我查一下兌換率。
Please wait a moment. I'll find out the exchange rate between U.S. dollars and RMB.
請等一會兒，我查一下美圓對人民幣的兌換率。
It's 470 yuan for 100 dollars.
100美圓可兌470元。
The exchange rate today is 200 yen to the pound.
今天的兌換率是一英鎊可兌200日圓。
The rate for traveler's cheques is 300 yuan against 100 dollars.
旅行支票的兌換率是100美圓兌300元。
These dollars are worth 1,000 yuan.
這些美圓可換1000元。
　
Useful Phrases
exchange table, conversion table 匯兌換算表
foreign exchange 外匯
exchange rate 外匯率
conversion rate 折合率
foreign exchange restriction 外匯限額
foreign exchange quotations 外匯行情
to check the rate for sb. 查牌價