And that means being engaged with the material.

也就是要充分理解材料。

哈佛公开课 - 幸福课课程节选

And as a reminder, hopefully I don't need to remind any of you, but exam 1 is on Wednesday, so rather than our clicker question being on something from last class, which is exam 2 material, let's just make sure everyone remembers some small topic from exam 1 material, which is the idea of angular nodes.

而作为一个提醒--我希望大家都不需要提醒，但是这周三就要进行第一次考试了，因此我们的这个选择题,不是关于上节课内容的，那是第二次考试的内容，这里只是想确认大家都记得,第一次考试所要求的一些小问题，也就是关于角向节点的概念。

麻省理工公开课 - 化学原理课程节选

Francis Bacon, influenced by Machiavelli, urged human beings to employ their reason to force nature to give up its secrets, to treat nature like a woman, to master nature in order to improve man's material well being.

弗朗西斯·培根受到马基雅弗利的影响,提倡人们运用理性,来让自然原形毕露,像对待女人那样对待自然,去征服自然以提升人类的物质生活

耶鲁公开课 - 古希腊历史简介课程节选