If you are unhappy with anything you have bought from us, we will gladly exchange your purchase, or refund your money, whichever you prefer.

如果您对从我们这里买到的任何商品不满意，我们将乐意为您更换或办理退货，您愿意哪种方式都行。

《柯林斯英汉双解大词典》

Some carriers, like Australia's Qantas, put passengers up in hotels, but many did not, offering instead only to refund tickets or exchange them for later flights.

一些航空公司，例如澳洲航空公司，为乘客安排了酒店，但很多公司没这么做，改而只提供退票或换成以后的航班。

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Therefore, I wish to exchange it for another camera or declare a refund.

因此，我希望可以换一个相机，否则我要求退款。

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Rail company Eurostar said about 30, 000 passengers had been due to travel on 50 services on Friday, and would be offered a full refund or exchange.

BBC: Weekend hit by tunnel disruption

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