最后，业务模型还显示数据流，这是在绘图工具中所不包含的内容。

Lastly, the business model also shows the flow of data, which is missing from the drawing.

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这一套开源的工具包括一个文字处理程序、一个电子数据表生成器、一个演示工具、绘图软件和数据库程序。

This suite of open source productivity tools includes a word-processing program, a spreadsheet creator, a presentation tool, drawing software and database program.

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