Dunbar, a British anthropologist and evolutionary biologist, argued in 1998 that there is cognitive limit to the number of relations that any one primate can maintain.
Dunbar是一位英国的人类学家和进化生物学家，他在1998年提出，对于任何一个灵长类动物，他所能维持的关系数量都有一个认知限度。
As anthropologist Scott Atran of the University of Michigan in Ann Arbor points out, the benefits of holding such unfounded beliefs are questionable, in terms of evolutionary fitness.
密歇根大学安娜堡分校人类学家Scott a tran指出：此类并无根据的信仰，从进化论适者生存的角度来看，其有益之处其实大可质疑。
The answer may lie in the research by an anthropologist and evolutionary biologist Robin Dunbar.
这个问题或许可以在人类学家和进化生物学家Robin Dunbar的研究中找到答案。
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