hypothesis:
Rich, the cost สนุบสนุน things more than poor people, such as the school, rich man can finish school in financial institutions that are better quality than poor people, rich, have work to do, so the cost is a good life.But the poor man has a cost in life may be, at least in a level of education had, of course, is not too high, it can be very difficult to find a job and to be able to take care of their own parents.
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