Scientists who study animal psychology have trained chimpanzees to do all kinds of things humans do, such as solving problems and even using language.

研究动物心理学的科学家训练黑猩猩做人类做的各种事情，比如解决问题，甚至使用语言。

On the whole, therefore, there is probably more to be learnt about human psychology from animals than about animal psychology from human beings; but this conclusion is one of degree, and must not be pressed beyond a point.

因此，总的来说，从动物身上学到的人类心理学可能比从人类身上学到的更多。但这个结论是一个程度的结论，不能过分强调。