把产品映射到产品类型层次结构中的类别，就可以形成某类型的产品这样的语义概缉础光飞叱读癸嫂含讥念。
Mapping a product in a product type hierarchy into a category establishes the semantic notion of product of type x.
在个人层次，我们理解到与其竞争不如合作以及应为公益不为私利之念。
As individuals, we are inspired to value cooperation over competition, and the common good over personal gain.
在个人层次，我们理解到与其竞争不如合作以及应为公益不为私利之念。
As individuals, we are inspired to value cooperation over competition, and the common good over personal gain.
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