随身携带计算器。

Take a calculator.

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很显然，要在多台不同的计算机之间维护数据的一致性，最简单的方法是随身携带您的文件(电子表格、数据库、文本文件，等等)。

Obviously, the simplest way to maintain consistent data across multiple computers is to simply keep your files (a spreadsheet, database, text files, and so on) with you.

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笔记本电脑- - - - -小型计算机，可以随身携带。

"Laptop" — a small computer that you can carry with you.

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