On Sun, 2009-08-30 at 22:13 +0800, aidong wrote: 
> As a  
> matter of fact, I believe that such a robot is really useless for home  
> source X-ray.

In my experience, the phrase "as a matter of fact" is more often
followed by an opinion than a fact.


-  
=======================================================================
You can't possibly be a scientist if you mind people
thinking that you're a fool. - Wonko the Sane
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                               David J. Schuller
                               modern man in a post-modern world
                               MacCHESS, Cornell University
                               [email protected]

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