电脑数据备份是电脑工作者必须要做的。

PC Data Backup is a computer workers must do.

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电脑可以增强信息工作者的能力。

Computer can magnify an information worker's abilities.

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毫无疑问，电脑被商业，科技工作者广泛地应用。

There is no doubt that computers are very useful in business and technology.

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毫无疑问，电脑被商业，科技工作者广泛地应用。

There is no doubt that computers are very useful in business and technology.

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