The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class.

如今航空公司面临的最大安全威胁可能不是持枪的恐怖分子，而是商务舱里有手提电脑的人。

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Osborne 1 Portable Computer, 1981.

Osborne 1便携式计算机1981。

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Today, you're on the road working on your portable computer.

今天，您正在使用便携式计算机进行工作。

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He says one of the more popular items is a portable computer from nineteen eighty-one.

VOA: special.2011.02.15

Its XPS M2010 portable computer is slick, but at 18.3 pounds it's more than a little ungainly.

FORBES: Magazine Article

Portable computer tablets, such as Apple's upcoming iPad, are also part of the equipment of a paperless office.

CNN: Is the 'paperless' office here at last?

Reading a book on what is essentially a portable computer changes consumer behavior in subtle and not so subtle ways.

FORBES: Is It A Book Or An App? Digital Publishing Combines The Two In A New Medium