At a technical level, the service consumer and service provider use the service specification to understand how a service consumer instance interacts with a service provider instance.

在技术级别，服务使用者和服务提供者使用服务规范来了解服务使用者实例如何与服务提供者实例交互。

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At a business level, the service consumer and service provider use the service specification to understand what functional behavior is achieved by engaging in a service interaction.

在业务级别，服务使用者和服务提供者使用服务规范来了解进行服务交互能够实现什么功能行为。

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Much of this understanding can be captured in a service-level agreement (SLA), measurable goals that a service provider agrees to meet and that a service consumer agrees to live with.

这些认识上的一致大部分都能在服务水平协议(Service - Level Agreement, SLA)进行捕获，形成服务提供者愿意提供且服务使用者愿意接受的可度量目标。

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