Around 2, 000 left-handed people die annually due to improper use of equipment designed only for right handed people.

每年约有2 000位习惯使用左手的人士因不当地使用仅为使用右手的人士设计的设备而死亡。

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Improper use of word duplex, but often meant to signify a second equipment or computing devices which would substitute for original equipment in case of failure.

“双工”这个词的一种不恰当的用法，但经常还是用来指万一出现故障时能代替原先设备的一组后备装置或计算设备。

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