W5L2-商业基础-产品生命周期
2017-10-16 本文已影响0人
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1.电动平衡车
W5L2-商业基础-产品生命周期
2.Raymond Vernon divided products into three categories based on their stage in the product life cycle and how they behave in the international trade market
https://en.m.wikipedia.org/wiki/Product_life-cycle_theory
category 种类
trade 贸易
