Story 7/5/2014
Thomas Edison conducted experiments to try to invest incandescent light bulb, and he had failed for 1200 times.
A business mocked him as a man of no achievement,
Edison laughed heartily and said, "I just make a big achievement, I have prove that these 1200 types of materials are not suitable to used as tungsten filament.
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Story 7/5/2014
Thomas Edison conducted experiments to try to invest invent the incandescent light bulb, and he had failed for 1200 times.
A business (Other businessmen?) mocked him as a man of no achievement,
Edison laughed heartily and said, "I just make (made/realized) a big achievement, I have proved that these 1200 types of materials are not suitable to be used as a tungsten filament."
To "invest" means to put money into a project. To "invent" means to be creative, figure it out, make something new.
Quotation marks (") go around the sentence you are quoting. Thus you need quotes at both ends.
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