Well, let's unpack the role of a typical it knowledge worker within a familiar system development scenario, then follow the action as work begins.

那好，让我们先看看在彼此熟知的系统开发场景中，典型IT知识工作者的角色，然后再观察当工作开始后，都发生了哪些活动。

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Our knowledge worker, Hans, works with a software development team.

我们的知识工作者Hans在一个软件开发团队中工作。

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That development compressed the work of five operatives into the work of a single worker – typist, compositor, editor, proof reader, layout artist.

当时五个人的工作（打字员、排字员、编辑、校对员、版面设计员），现在压缩成祇需要一个人。

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Mr. Gross is a dedicated international development worker who has devoted his life to helping people in more than 50 countries.

WHITEHOUSE: Press Briefing

This plan would not only jump start development of distinct child and worker incentives, but could also provide a stepping stone toward broader tax reform.

FORBES: Navigating The Maze Of Child Tax Credits

Several of the champions of the new economy are firms that were once hailed as plucky little start-ups but have long since grown huge, such as Apple, Google and Facebook. (In August Apple was the world's largest listed company by market capitalisation.) American firms with 5, 000 or more people spend more than twice as much per worker on research and development as those with 100-500.

ECONOMIST: Why large firms are often more inventive than small ones