A typical application would likely have many other components (database access, E-mail protocols, or even very specialized protocols like HL7 or SAP.)

一般应用很可能包含许多其他组件(数据库访问，E - Mail协议，或者甚至于是像HL7或SAP这样非常专业的协议)。

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Whether you use a client application such as Microsoft Outlook, or a Web-based E-mail system like Google Gmail, you should minimize or close the E-mail window when you are not actively using it.

不管你是在使用像微软Outlook一样的客户端，还是使用像Google Gmail一样的网页邮件系统，在你不需要的时候，都应该最小化这些窗口或者关闭掉。

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Typically, background processes like Mail will free some memory and your application can continue to run.

通常后台进程，例如邮件程序可以释放一些内存空间从而使你的程序继续运行。

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Application by application, basic enterprise programs like word processing, e-mail and spreadsheets are moving to the Web.

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By default, it works with your Apple ID e-mail address, but you can add as many as you'd like from the settings application after verifying that you do indeed own the account.

ENGADGET: Apple iOS 5 hands-on preview