其因外观对称精致，符合中国传统装饰的习俗和审美观念，故被命名为中国结。
It is possessed of delicate and symmetrical appearance and accords with the conventions of Chinese traditional decoration and aesthetics, therefore, it is named Chinese Knot.
商品的使用价值是一个动态的概念，信息是非对称分布的，“观念价值”值得重视。
The author believes that product's use value is a dynamic concept, information is unsymmetrical distribution, and that "concept value" should be paid attention to.
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