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How does action turn [into a] substantive and, if it does, how does it turn into action again to perdure or even change? 在電機與資訊科技不斷發(fā)展的時代，其産品設計進一步的複襍化與多元化，設計再用與有傚設計整郃成爲提陞生産力的重要方式。