产品的核心利益是营销的目的和任务；
The product's core interest is the target and task of the marketing;
产品实体要求一般产品，产品的基本形式，只依赖于产品的物理，产品的核心利益，实现。
Product entity called for general products, products of the basic form, is only dependent on the physical product, product's core interests to achieve.
产品实体要求一般产品，产品的基本形式，只依赖于产品的物理，产品的核心利益，实现。
Product entity called for general products, products of the basic form, is only dependent on the physical product, product's core interests to achieve.
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