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你可以得知一次物质产品营销活动的经济效益,但你能对一次精神产品所带来的双重效益进行估价吗?无论从哪个角度讲这都是一次非寻常意义的尝试
You can learn about the economic benefits of a physical product marketing campaign, but can you value the dual benefits of a mental product? It is an extraordinary attempt, no matter from which perspective