Web服务的这项技术为业界提供了基于按使用付费模型(相对于传统的收缩薄膜包装方式)进行软件销售的前景。

This technology of web services offers the industry the promise of selling software based on a fee-for-usage model as opposed to the typical shrink-wrapped approach.

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WSHT说明了“Web服务工具箱”和“Web服务网关”如何能用来提供操作按使用付费的Web服务托管系统所需要的核心功能。

WSHT demonstrates how the Web Services ToolKit and the Web Services Gateway can be used to provide the core functions needed to operate a pay-for-use Web service hosting system.

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降低成本：云计算可以降低资本费用(CapEx)和运营费用(OpEx)，因为可以只在需要时购买资源，而且只按使用时间付费。

Reduced cost: Cloud computing can reduce both capital expense (CapEx) and operating expense (OpEx) costs because resources are only acquired when needed and are only paid for when used.

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