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!