C:It's too expensive! 这实在太贵了. S:You could pay by installments, sir. 先生,你可以用分期付款方式购买. C:Really! How does it work? 真的, 那是怎样的? S:First, you pay a down-payment of five hundred dollars. 你首先付五百元的首期, then two hundred each month for twelve months. 然后每月付二百元, 共付十二个月. C:It sounds attractive. Let me think about it. 听来很有吸引力, 让我想一想.