They have synthesised the results from seven chimpanzee-research centres scattered across Africa, and shown that chimps can, indeed, do more than just pass on the odd behaviour pattern here and there.

• 他们综合了分散于非洲的七个黑猩猩研究中心的观察结果，结果显示出黑猩猩能做的可能远不止四处传递某些不固定的行为模式。