But a framework in which to understand it is that pro-slavery ideology was, at its heart, a kind of deeply conservative, organic worldview.

支撑奴隶制度思想体系的框架,若要去理解这副框架的话,其核心,是某种极度传统,接近自然的世界观

耶鲁公开课 - 美国内战与重建课程节选

We'll come back to that, but you have to understand the structure of Newtonian mechanics.

我们等下回头再讲,不过你们要理解牛顿力学的体系框架

耶鲁公开课 - 基础物理课程节选