Although the world is splendid by invention, individual inventors often struggle lonely in adversity. The market only recognizes products with direct consumer value, and few people will pay the bill for the ideals of inventors. There are professional teachers in the world. And scientists, because people recognize the importance of education and science to mankind, teachers and scientists can nurture students and explore the universe without worry; however, there is no occupation of inventor in the world, and no one pays inventors to inventors.
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Inventions usually have no direct consumer value