alfred marshall短语¹⁴⁴⁹⁷²⁺² 基本例句 艾尔费雷德·马歇尔传 From Alfred Marshall to Michael Porter, the thought of innovative clusters had a germinating and evolutional process. 从马歇尔到波特，创新集群思想经历了萌芽和演变过程。 dictall Alfred Marshall, one of the fathers of neo- classical economics, distrusted mathematics for this very reason. 这也正是新古典经济学奠基人之一马歇尔对这些数学模型不信任的原因。 ecocn