附加产品是产品的第四个层次，即产品包含附加的服务和效益。
Additional product is the product of the fourth level, namely the product contains additional services and benefits.
对产品来说，它不对产品本身进行增殖，而是通过服务，增加产品的附加价值；
To the product, it does not carry on the multiplication to product itself, but is through the service, the increase product additional value;
对产品来说，它不对产品本身进行增殖，而是通过服务，增加产品的附加价值；
To the product, it does not carry on the multiplication to product itself, but is through the service, the increase product additional value;
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