动物到底为什么要玩耍，这个问题仍然在文献中存在争议，并且每个物种玩耍的原因也不尽相同。

Exactly why animals play is still a matter debated in the research literature, and the reasons may not be the same for every species that plays.

youdao

怀尔德曼和奈尔斯特别感兴趣的是研究在何种条件下，思考可能会活跃——这是一个在文献中几乎没有任何指导的主题。

Wildman and Niles were particularly interested in investigating the conditions under which reflection might flourish—a subject on which there is little guidance in the literature.

youdao

在文献中所未完全陈述的问题？

What questions are not fully addressed in the literature?

youdao

So he just says that there are really two organizing principles or overriding concerns in the Priestly traditions and the Priestly materials regarding sacrifice.

克洛文说，实际上在祭司的传说和有关文献中，关于献祭,有两个组成法则,或者说主要的关注点。

耶鲁公开课 - 旧约导论课程节选

Well,instead of pursuing that example,let me give you a slightly different example that's been discussed a fair bit in the philosophical literature.

这次让我们换个不太一样的例子,这个例子在哲学文献中经常被讨论。

耶鲁公开课 - 死亡课程节选

One of the interesting documents we have is a fragmentary inscription from the Island of Chios.

其中我们发现了一份非常有趣的文献,是在希俄斯岛上的一处残缺碑文

耶鲁公开课 - 古希腊历史简介课程节选