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最佳答案：For the world,you are probably just a person.But for me,you are the whole world.
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最佳答案：I'm not into maths, for maths is immensely difficult to me.1. Of course, this is
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最佳答案：Curves and surfaces are the main research content of space analytic geometry, th
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最佳答案：1:For my part,living in rural areas live in the city than good.Because prices ar