其作者之一，是乔治亚大学的灵长类动物学家桃乐丝•弗拉·格斯，他曾在巴西的一个私人自然保护区研究过卷尾猴，看来此文的确够专业。
One of the authors of the article was Dorothy Fragaszy, a University of Georgia primatologist who was studying the capuchins at a private nature preserve in Brazil.
灵长类动物的研究人员,对在乌干达一保护区内半自由放养的黑猩猩研究发现只有当一个合作伙伴能帮其获得远多于它们自己所能得到的食物时，黑猩猩才会招该伙伴入伙。
Primate researchers, working with semi-free ranging chimpanzees at a sanctuary in Uganda, found chimpanzees recruit a helping partner only if it gets them more food than they’d get alone.
现在艾莫利大学的灵长类动物学家维多利亚·霍纳，曾对Ngamba岛上保护区里的同一批黑猩猩做过研究。
Primatologist Victoria Horner, at Emory University, has worked with the same chimpanzees at Ngamba Island Sanctuary.
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