The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computerinbusiness 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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Traditionally, the computerinbusiness has been used for data processing.
从传统上说，商业中所用的电脑是用来进行数据处理的。
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Due to its ability to think, memorize and with its amazing calculating speed, the computer is put to wide use in industry, agriculture, business, education and tourism.