The research for this article was supported with grants from Clarendon Fund, Wadsworth International Fellowship of the Wenner Gren Foundation, Japan Foundation and Japanese Society for Promotion of Science.

中文翻译：

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礼貌和刺猬：通过保持距离来建立亲密关系

本文的研究得到了克拉伦登基金、温纳格伦基金会的沃兹沃思国际奖学金、日本基金会和日本科学促进会的资助。