（1）
A: Do you offer any quantity discounts?
大量购买有折扣吗？
B: No, we don't.
不，没有。
A: Then give us three cases of this.
那么这种的就买三箱好了。
(2)
A: You could save a lot if you would order a little more.
如果你单子下得多一点，可以省不少的钱。
B: How could we do that?
怎么说呢？
A: We offer a discount for large orders.
我们对大量订购有打折。
B: Let me take another look at our requirements.
那我看看我们的需要量有多少。
(3)
A: Your prices seem a little high.
你们的价钱高了一些。
B: We could make them lower for you.
我们可以算你便宜一点。
A: How?
怎么做呢？
B: If you order in large lots, we'll reduce the price.
如果你大量订购，我们可以降价。
(4)
A: We can make the price lower if you would order a bit more.
如果你单子下多一点，我们可以减价。
B: How much more?
还要多下多少？
A: Just three more cases.
只要再加三箱就可以了。
B: I think we can do that.
那我想没问题。