Policy is policy after all, but you can make an exchange and you can use the credit for your books for next semester.

政策毕竟是政策，但是你可以进行交换，你可以用学分来换取下个学期的书。

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This can make an Exchange-based solution an expensive option, even if it does provide all of the functions you need.

这使基于Exchange的解决方案成为一个昂贵的选择，即使它能提供您需要的所有功能。

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Such an exchange would in effect make the operation a request/reply operation, with the reply information not coming from the service provider.

这种交换将有效地使操作成为一个请求／答复操作，并且答复信息不是来自服务提供者。

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The experiment with e-commerce thus far has shown that online shoppers tend to favor the bricks-and-clicks models so they don't sacrifice having a physical location where they can get advice, view products or make an exchange -- a finding that bricks-and-clicks universities are likely to recognize and copy, Levine said.

CNN: Web brings radical changes to higher education

When an investor buys or sells a stock, that order may never make it to an exchange.

FORBES: Does NYSE's 4.8% Dividend Yield Make It A Bargain?

Like the rest of Groupon, Getaways will promote limited-time deals requiring customers to make an upfront payment in exchange for a voucher that can then be redeemed within a certain period of time.

FORBES: Groupon Gives Expedia A Positive Jolt With 'Getaways'