第一句：We hope you will quote your rock-bottom price to avoid only too small profit for us.

　　我们希望您能给出底价，否则我们的利润会很低，我们将不得不从其他地方购货。

　　A: How do you think about our offer?

　　您对我们的报价有何想法？

　　B: I am afraid we can't accept it.

　　恐怕我们不能接受。

　　A: We hope you will quote your rock-bottom price to avoid only too small profit for us.

　　我们希望您能给出底价，否则我们的利润会很低，我们将不得不从其他地方购货。

　　第二句：If you insist on your original offer, it will reduce our profit considerably.

　　如果您还坚持原来的价格，我们的利润将会相当低。

　　A: What's the problem?

　　有什么问题吗？

　　B: If you insist on your original offer, it will reduce our profit considerably.

　　如果您还坚持原来的价格，我们的利润将会相当低。

　　A: We will think about it.

　　我们会考虑的。

　　其他表达法：

　　To accept the price you quote would leave us only a small profit on our sales, because the principle demand in our city is for articles in the medium price range.

　　如果接受你们的价格，我方获利甚少，因为我们的市场适合中等价位的商品。