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Ⅰ. Our Times The human civilization has so far witnessed the era of agro-economy that lasted for thousands of years, the era of industrial economy that began a
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Ⅰ. Our Times The human civilization has so far witnessed the era of agro-economy that lasted for thousands of years, the era of industrial economy that began about 300 years ago, the information age that started since the 1980s, and the beginning of a kno
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