导购口语:

　　We may either pay you an allowance or have the goods replaced.

　　我们或者给你折价，或者给你换货。

　　We could exchange them for you if you like.

　　我们可以给您换一双。

　　If you have the receipt, I can replace it for you.

　　如果您有发票，我可以给您换。

　　语句解析:

　　Pay you an allowance给你折价;have the goods replaced给你换货;exchange sth. for sb. /replace sth. for sb.都表示“为某人换某物”。

　　情景再现:

　　There is something wrong with the plug. I'll get you another one.

　　这个插头有问题，我给您换一个。

　　You can exchange it, provided that you haven't taken off the tag.

　　只要你没有把吊牌拿掉便可换货。