Does this chipped stone tool hold the secret of speech?

这块打制石器是否隐藏着语言的秘密？

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To do his job, Rob has to use a special chair. He controls with his head and neck, and write by using his mouth to hold a special tool.

为了完成他的工作，罗布必须使用一把特殊的椅子。 他用头和脖子控制，用嘴衔着一个特殊的工具写字。

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I am an artist who USES a camera as my tool of choice to communicate ideas that I hold important to think about, and as a tool to document my curiosity about my experience on Earth.

我是一个艺术家，选择照相机作为我与别人交流我所思考的重要想法的工具，也将其作为将我在地球上的经历中的新奇事务记录下来的工具。

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We are also working hard to mitigate the negatives as this new tool takes hold.

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George offers the example of Adobe Systems, where a hiring manager using the Recruiter tool searches for potential hires who hold a particular job, have a certain number of years of experience, and are located in specific geographic areas.

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For anyone who is interested in seeing what this metallic glass is like see if you can get hold of the special little tool that Apple hands out with the iPhone3 for removing the SIM card.

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