Understanding the data quality for this service requires that the analyst first understands how the service interface maps to the application API and then how that API accesses the underlying data.

要想了解这个服务的数据质量，分析师首先需要了解服务接口如何映射到应用程序api，然后了解API如何访问底层数据。

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Service tenet: Quality first, service upmost.

服务宗旨：质量第一，服务至上。

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Potentially, those filters serve as a policy enforcement layer where the message is first checked from the security and Quality of Service (QoS) standpoints, and then is queued for processing.

这些筛选器可能作为策略强制层，消息首先在这里经过安全和服务质量(QoS)检查，然后排队等待处理。

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Please understand that our first responsibility is to the quality of service of our site and the protection of data for our users.

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One of the first lessons learned was that before we could import our trademark brand of quality guest service, we would have to embrace the cultural identity of each location, and seek a comfort level for our employees.

CNN: Paths to Top Service

Specifically, to what extent can the quality of service on second and subsequent visits be expected to vary based on the size of the tip on the first visit?

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