在跨境电商交易的产品运输过程中可能会出现货物丢失、货运单号无法查询、产品被扣关以及收到的货物与描述不符等情况。一旦出现这样的异常情况，买家就有可能发起退款或退换货协议申请。如果买家发起这类纠纷，商家积极通过站内信与买家进行协商，及时回复买家的询问，尽力安抚，并及时与货运公司联系解决物流方面的问题。下面将介绍双方在退换货、退款协商过程中常用到的商务英语语句。
1.-If it isn't suitable, can I return it/may I bring it back?
-You can take it back within 3 days for whatever your reason is.
-如果不合适，我可以退货吗？
-三天内无理由退货。
2.-Could I demand a refund, please?
-We only allow you to exchange it for another one.
-我能要求退款吗？
-我们只允许换货。
3.There is something wrong with it. Can I exchange it for a good one? 这个有点质量问题，我可以换个好的吗？
4.You have 7 days to contact us and 30 days to return it from the date it was received, If this item is in your possession more than 7 days, it is considered used and we will not issue you a refund or replacement. There are no exceptions! Shipping cost is bear by both seller and buyer in half. 你有7天的时间联系我们，从你收到物品的日期算起30天后退回。如果这个物品在你的手中超过7天，它会被认为已使用过，我们不会给你退款或更换，没有例外！运费由卖方和买方各承担一半。
5.All returned items must be in the original packaging and you must provide us with the shipping tracking number, specific reason for the return, and your post number. 所有退回的物品必须在原包装中，你必须提供装运单号码、具体的退货理由及你的邮政编码。
6.We will refund your full winning bid amount, upon receipt of the item in its original condition and packaging with all components and accessories included , after both buyer and seller cancel the transaction from AliExpress. OR, you may choose to have are placement. 我们将退还您的全部中标金额，在收到货物的原始配件(包括所有的部件和附件)和包装后，在买方和卖方都取消了来自速递的交易后。或者，你可以选择更换。
7.We will bear all the shipping cost if the product(s)is ( are) not as advertised. 如果产品不像广告宣传的那样，我们将承担所有的运输费用。
