2021-07-21问：new texts were rewritten
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2021-07-21问：books in ancient times was papyrus
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2021-07-21问：Since the era of Charlemagne
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2021-07-21问：By the end of the 15th century, 35
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2021-07-21问：consists of the book itself
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2021-07-21问：At the same time, many antique
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2021-07-21问：handwritten synonym
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