B：Please add to my account．
A：Then we'll make out a bill for both of you．
B：OK．
A：Have you used any hotel services this morning or had breakfast at the hotel dining room，Mr．Green？
B：Yes，my friend and I just had breakfast at the dining room，but we didn't use any services．
A：Fine．I'll need to find out what the charge is on the breakfast．The total for the eight days is eight hundred sixty yuan and eighty fen．
B：Oh，I didn't change enough money just now．Can I pay in American dollars？
A：No，sir．You can pay in Foreign Exchange Certificate only．But you can get your money changed at the Foreign Exchange Counter of our hotel over there．
B：Thank you．…Here you are．
A：Thank you．Mr．Green．Here's your receipt．
Words and Expressions
approximate a．近似的，大约的
figure n．数字
exchange v．交换、兑换、交易
Foreign Exchange Certificate 外币兑换券
receipt n．收据
luggage n．行李、包裹