學習目標： 當書店店員向客人提供優惠時的應對。
Man: Hello, are you looking for anything in particular?
Woman: Oh, our business section is right here.
We have a special deal this week on business books.
If you buy 2 books, you get one of free from our special section here.
Man: If you buy 2 books, you get one of free from our special section here.
Woman: Would you like to join our book club?
If you buy 20 books in six months, your 21st book is free!
Man: If you buy 20 books in six months, your 21st book is free!
Woman: We stamp our membership card every time you buy a book.
When you have 20 stamps, your next book will be free!
Man: We stamp our membership card every time you buy a book.
When you have 20 stamps, your next book will be free!