YouTube allows you to mark a video as private, but that mainly insures it is not picked up by search engines.

YouTube允许用户把视频标记为私有，但这只能保证视频不被搜索引擎搜到。

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If a class contains only static members, remember to mark the class as static or seal the class (NotInheritable) and give the class a private constructor to avoid instance creation.

如果类只包含静态成员，则要记得将该类标记为静态，或者密封该类(NotInheritable)，并且还要为该类提供一个私有构造函数，以避免实例创建。

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For example, version control (CVS or Subversion) mark their configuration files as team private.

比如，版本控制(CVS或Subversion)将其配置文件标识为团队私有。

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Moreover, as Mark Pauly points out, here Medicare has an advantage over private insurance, by virtue of punitive power of federal law.

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Rob Mosbacher formerly served as the President and CEO of the Overseas Private Investment Corporation (OPIC) and Mark Green is Senior Director at the U.S. Global Leadership Coalition and a former Congressman and U.S. Ambassador to Tanzania.

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Secondly, as economist Mark Perry points out, since January 2010 government payrolls have contracted by 500k jobs while private sector employment has increased by more than 2.5 million jobs.

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