第一句：We do not think three is any possibility of business unless you cut your price by 20%.

　　除非贵方可以降价20%，否则这笔生意不会谈成。

　　A: We regret to say that your price is on the high side.

　　我们很抱歉贵方的价格太高了。

　　B: What's your idea?

　　贵方的意见是？

　　A: We do not think three is any possibility of business unless you cut your price by 20%.

　　除非贵方可以降价20%，否则这笔生意不会谈成。

　　B: That is too low.

　　这个价格太低了。

　　第二句：We prefer a bigger discount.

　　我们希望更大的折扣。

　　A: You can take it into consideration. We prefer a bigger discount.

　　你可以考虑一下。我们希望更大的折扣。

　　B: Yes, let's meet halfway.

　　是的，让我们彼此退让一步吧。

　　A: That would be good.

　　那很好。

　　其他表达法：

　　这样的讨价还价会经历很多个回合，一直到双方都满意为止，是一个需要耐心的过程。

　　Your price has gone up so rapidly that it would be impossible for us to push any sales at such a price.

　　你方的价格涨得如此快，我们无法销售。

　　We regret to say there is no possibility of business because of your high price.

　　我们很遗憾地告知贵方，贵方出价太高我方无法接受。