Tom:
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。
Mary:
How could we do that ?

怎么说呢?
Tom:
We offer a discount for large orders .

我们对大量订购有打折。
Mary:
Let me take another look at our requirements .

那我们看看我们的需要量有多少。