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木叶丸
What, in your opinion, is the most significant invention in the history of the world   
Dec 8, 2008 5:52 AM
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Wheel All other are secondary.
December 8, 2008
how about computer? it makes us much closer, and the most important reason is without it, i can't see ur question now :)
December 8, 2008

OK, I think everything created by all of the people in the world is invention! Just only human can do it. But the most important thing is to keep inventing to change our future!

December 8, 2008
木叶丸
Language Skills
Chinese (Mandarin), English, Japanese
Learning Language
English, Japanese