While your personal computer only keeps one copy of a file, large-scale services like Facebook rely on what are called content delivery networks to manage data and distribution.

虽然你的个人电脑只能保存一个文件的一个副本，但像 Facebook 这样的大型服务项目，则会依赖于所谓的内容分发网络来管理数据和分发。

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Other than the boy in this picture, many children do not know how to wash clothes, clean rooms and manage personal affairs, because they are deprived of the chances of labor whenever at home.

但大部分孩子都不像图中的那个男孩那样，他们不会洗衣服、收拾房间，也不会处理个人事务，因为他们在家的时候根本没有机会劳动。

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Use virtual personal assistants (VPAs) to manage your business and social calendars.

使用虚拟个人助手(VPA)来管理你的商业或者社交日程表。

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The system also allows consumers to manage personal content, such as pictures, home videos and music libraries via USB or LG Cloud.

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Allow workers to determine the best way to manage their schedules so as to ensure maximum productivity while being able to manage personal obligations.

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Television, radio, films, and other electronic media are powerful forces in conveying information about topics ranging from health and physical fitness to tips on how to manage personal finances.

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