It's called user because, in addition to your regular domain login name, the computers in the domain also have user accounts.

之所以将其称为用户(user)，是因为除了常规的域登录名之外，域中的计算机还具有用户帐户。

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People who interact on a regular basis and are focused on a specific set of customers in a common industry, domain, or geographical region.

他们在根据照常规原则相互沟通，集中讨论同一个行业，领域或者地理区域的特定客户群。

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This authenticates the machine's account on the server (domain administrators adding machines to regular Windows server domains do the same thing, but with the domain Administrator account).

这会在服务器上对计算机的帐户进行身份验证（将计算机添加到常规 Windows 服务器域的域管理员可进行相同的操作，但将使用域管理员帐户）。

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The millionaires-only club of American politics--once the small domain of names like Roosevelt, Rockefeller and Kennedy--has expanded to include all sorts of Regular Rich Guys.

CNN: The New Rich Man's Club