When a customer isn't happy with an item bought from a brand store, he can always take it back for a refund or exchange.

当顾客在品牌商店购物时，如果他对所购物品不满意，他可以随时退换货。

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Renters, meanwhile, pay less than they would if they bought the item themselves, or turned to a traditional provider such as a hotel or car-hire firm.

同时，比起自己购买或通过传统的供应商（如酒店或租车公司）购买，租房所花的钱更少。

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Once you have bought something, you will find the same item being sold somewhere else at a cheaper rate.

如果你已经买了什么东西，你会发现同样的物品在别的地方卖得更便宜。

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It's rare that you'll be able to recover your purchase price if you have to return an item bought from a dealer or from an auction house.

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Each item was bought in a big European city, he says.

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The pricing of an individual item may no longer be determined by the sticker price but instead depend on how often the consumer has bought that item before, whether they have accepted promotional offers to try out a related product, and the location of the town and store where they are shopping.

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