These sources preserve different traditions on the number and the nature of the plagues, as well as the principal actors in the drama: God, Moses, Aaron.

这些素材都保留了不同的风格,不同瘟疫的数量，内容,关于三个主角，上帝，摩西，主角的描述也不相同。

耶鲁公开课 - 旧约导论课程节选

Revisions implying that you've got something and then it's worked over again, additions might be made so now that's a new source.

修订意味着，你已经有素材,重新研究，这时候所增加的，变成了新的素材。

耶鲁公开课 - 旧约导论课程节选

This is the vacation shot, it gives us something to work with.

这是假期拍的，它给了我们创作的素材。

哈佛公开课 - 计算机科学课程节选