2--If you bring them back with your receipt within seven days, you'll get a full refund.  Also, if you  need alterations to the pants, just bring them in and we'll do them for free.

1-- Sounds good.

2-- That'll be $70, please. Will you be paying by cash or charge?

1-- Charge. Here's my card.

2-- Okay, sir, here you are. Thank you very much.

1-- Thank you.

===================================

注解：

1.returns退回  

2.full refund全额退款   

3.alterations改变

===================================

译文：

1--你们怎么处理退货的事？

2--如果您在7日之内携带收据退货，就可全额退款。此外，如果您需修改裤子，就把它们带来，我们会免费服务。

1--听起来不错。

2--一共70美元，您要付现金还是刷卡呢？

1--刷卡，这是我的卡。

2--好了，先生，请收回去。非常谢谢您。

1--谢谢。