The origin of human capital theory can be traced back to the time before the creation of modern economics.

人力资本理论的渊源向上可以追溯到具有现代意义的经济学创始之前。

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Study carefully its origin, can roughly trace back to primitive human era. But the concept of informal group is put forward by modern management educational circles correspondent to formal group.

究其起源，大致可追溯到原始人类的时代，而非正式群体这一概念却是现代管理学界相对应于正式群体提出来的。

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Zhang Wei takes traditional culture as the origin of his novels and tries to offer a way to spiritual destination with classical implications for modern human beings.

张炜以传统文化为本源，试图为现代人的精神归宿提供一条具有古典意味的路径。

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