Can the bookstores and libraries of this world stay viable and relevant in this age of e-downloads?

在这个电子下载盛行的年代，书店和图书馆就能够保持其存在的意义吗？

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SOAP messages are typically conveyed over HTTP transport, although other transports (such as JMS or e-mail) are equally viable.

SOAP 消息通常都是通过 HTTP 协议传送的，不过也可以通过其他方式传送（例如 JMS 或 e-mail）。

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E-commerce need to have a viable business plan and to comply with the basic principles of supply and demand.

电子商务需要有可行的商业计划并遵守供需的基本原理。

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What remained, he concluded, was a viable information and e-commerce business that needed better execution and a few key acquisitions to succeed.

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