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In the( ),businesses offer services for which they charge a fee that is based on the numbe

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In the（），businesses offer services for which they charge a fee that is based on the number of size of transactions they process.Some of these services lend thenselves well to operating on the Web.

A.Fee-for-Transaction Revenue Model

B.Advertising-Suppored Revenue Models

C.Web Catalogue Revenue Models

D.Value chain

参考答案:

A

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