Imagine that you have written a perfect alarm interface, which has to wake the system only rarely, perhaps once every five minutes or so.

假设您编写了一个完美的警报接口，它很少唤醒系统，可能大约每5分钟一次。

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Note that the end user has no control over adding a new device manager (and rarely do you need to); most are disabled by default.

请注意，终端用户无权控制新设备管理器的添加(也很少需要这样做)，通常在默认情况下都是禁用的。

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Perhaps life has become so busy that you feel like your schedule rarely coincides with that of your partner or kids. How about leaving them a note somewhere unexpected?

也许生活总是很忙碌，你很难和你的爱人、孩子有共处的时光，在一些特别的地方留些字条怎么样？

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The truism that you know someone by the company they keep has rarely been more true than with respect to the Obama administration and its burgeoning ties to the Muslim Brotherhood and other Islamists.

CENTERFORSECURITYPOLICY: The Company They Keep

As anyone who has ever sat in a bar in Beirut will tell you, rarely do you finish your drink without overhearing someone talk about the 2006 war or the overwhelming potential that there will be another war with Israel.

CNN: Analysis: Do war clouds loom over Lebanon vote?