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Categories: youthfulness
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In the 1960s, the concept of "Six Degrees of Human Connection" was proposed and validated by the American psychologist Stanley Milgram. The so-called six-degree network refers to the fact that all people on earth can pass through six layers... <br />In the 1960s, the concept of "Six Degrees of Human Connection" was proposed and validated by American psychologist Stanley Milgram. The so-called six-degree human network means: all people on earth can pass through six...