This is the last set, so there's no refund and no exchange for it.

这是最后一套了，所以不能退货或更换。

youdao

Since there is a no-refund, no-exchange policy on this body, it is essential that you establish a sound relationship with it.

既然这个身体无法退换，那么至关重要的就是要珍爱它。

youdao

Returns without a receipt are subject to the posted return policy, which might result in your receiving only a merchandise credit for the lowest price the item has sold for recently, or possibly no refund or exchange at all.

FORBES: Returning A Gift? What You Need To Know About This Year's Return Policies

Upon calling them again I was told that this was standard procedure in the event of faulty goods and no refund or exchange could go ahead without this visit, despite a previous agent telling me that the pictorial evidence was sufficient to effect this action.

BBC: Fergus Muirhead