Typically, an account owned by a human user is called a user ID and an account used by applications or instrumentation is known as a service account.

通常，属于人类的帐户被称作用户ID，而应用程序和工具所使用的帐户则被称作服务帐户。

youdao

In previous articles we discussed our user story, where customers request services (called errands) from service providers (called personal assistants or PAs).

在先前的文章中我们讨论了用户情景，其中顾客向服务提供者(称为个人助理或PA)请求服务(称为差事)。

youdao

Another service, called SpiderOak, can be used to back up your local user directories to the cloud for a small fee.

另一个服务被称为SpiderOak，可用于将您的本地用户目录备份到云中，而只需很少的费用。

youdao

Also debuting: a Pandora-like user-programmable Internet radio service called Smart DJ, which includes unlimited skips and a view of the full recommended music stream.

FORBES: Connect

Complex yet simple, it asks the least of the user while quietly going through a myriad of actions itself, providing service when called upon.

FORBES: Apple Acquires AuthenTec: A Fingerprint as a Key?