To understand all of this, you have to look under the covers at the interactions between profiles, accounts, and groups, as well as the tools used to manage these Settings.

要理解所有这些知识点，您需要了解配置文件、帐户和分组之间的交互，以及用于管理这些设置的工具。

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If you associate your bed only with sleep, you'll be more likely to fall asleep when you get under the covers for the night.

如果你希望只把睡觉这件事和你的床联系起来，那么在床上你需要做的事情就是熟睡，而不是整晚翻烙饼。

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The agent manager keeps track of the agents you install, and works under the covers to handle digital certificates to secure communications between the agents, agent manager, and the workbench.

代理管理器跟踪安装的代理，并在后台处理数字证书，以保证代理、代理管理器和工作台间安全的通信。

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Babies will not shimmy under the covers to sleep on your feet when you're cold.

NPR: 'Dog is My Co-Pilot'

The album art is moody and dark, per requirements, though a touch less ominous-looking than what you find on many other covers: what might be a couch under a sheet sits in the middle of a forest rendered in shades of light green and brown.

NEWYORKER: The Dark Arts