In the case of any Foreign exchange purchase or sale, the fee is actually "buried" in the exchange rate.

在外汇买卖中，手续费实际上已经隐含在汇率中了。

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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》

Ask the merchant about their exchange and return policies before making your purchase.

在购物前要询问商家的退换货政策。

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Employees will then go to the new health insurance exchange and purchase individual coverage that is just as good as employer based coverage.

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It is not hard to imagine employers doing the math and realizing they can drop coverage, give employees a raise, send them to the exchange to purchase the same or more generous insurance, and still come out ahead!

FORBES: Part 2: Does Massachusetts Predict Employer Behavior Under Obamacare? Probably Not

Among the high-profile deals it has given the green light within the past year: the union of XM Satellite Radio and Sirius, and the Chicago Mercantile Exchange 's purchase of the Chicago Board of Trade.

FORBES: Magazine Article