The answer here is a matter of perspective-it's the cost per use that really matters.
这里的答案是眼界的问题——关乎单位使用的成本。
Development teams typically generate a few scenarios per use case to illustrate both a typical flow of events and various error conditions (see Figure 1).
开发团队为每个用例生成一些情境来说明事件流和各种错误条件(参见图1)。
The pyro can use bolt of fire at will but must pay 3 power points per use.
操焰者可随意使用火焰矢，但每次使用须支付3点灵能点。
Reagent home and abroad, or made by users can be used, lower cost per use.
可使用国产试剂、进口试剂及用户自配试剂，试剂消耗量少，检测成本低。
A fetch plan is a useful construct because the client can control the content of the requested representation for the same logical resource on a per-use-case basis.
查询计划是一个非常有用的结构，因为客户端可以控制相同逻辑资源在每次使用时的请求表现内容。
You can pay per-use for the infrastructure of these traditional computing resources in the cloud environment.
您可以根据使用情况支付云环境中的这些传统计算资源的基础架构的费用。
In some cases, customers choose not to deploy the applications in-house but rather subscribe to application services and pay-per-use services (SaaS).
有时候，客户选择不在内部部署应用程序，而是预订应用程序服务和按使用量付费服务(SaaS)。
All four of the major carriers decided during the last three years to increase the pay-per-use price for messages to 20 cents from 10 cents.
4家主要运营商在过去的3年都决定把每用户的短信价格从10美分提高到20美分。
With membership you will be welcomed at over 500 Lounges worldwide, so if you have ever used a pay-per-use lounge, this could be the program for you.
会员可以享用全球超过500间的机场贵宾室，不同于每次付费的方式，我们的计划将提供您更好的选择。
API providers will need to determine whether or not to charge for their content, and if so, how (for example, by subscription or by per-use).
API提供者需要确定是否对自己的内容收取费用，如果需要收取费用，应该怎样收费(例如，通过订阅还是按使用次数收费)。
Cloud computing can be loosely defined as using scalable computing resources provided as a service from outside your environment on a pay-per-use basis.
云计算(Cloud computing)可以粗略地定义为根据需要使用在用户环境之外以服务形式提供的可伸缩计算资源。
Enterprises incur no infrastructure capital costs, just operational costs and operational costs are incurred on a pay-per-use basis, with no contractual obligations.
企业不会产生基础设施资本成本，只有运营成本，而且运营成本的产生是基于即用即付的基础，没有合约义务。
This pool of resources is typically exploited by a pay-per-use model in which guarantees are offered by the Infrastructure Provider by means of customized SLAs.
这个资源池通常采用根据使用频次进行付费的模式，设施提供商通过定制化的服务水平协议来提供质量保证。
This pool of resources is typically exploited by a pay-per-use model in which guarantees are offered by the Infrastructure Provider by means of customized SLAs.
这个资源池通常采用根据使用频次进行付费的模式，设施提供商通过定制化的服务水平协议来提供质量保证。
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