There's an interesting set of politics that were involved in the creation of this pyramid that we'll talk about as well in a subsequent class, but this is the reigning version of the pyramid.

这个金字塔的建立,涉及了一些有趣的政治问题,我们将会在以后的课程中加以讨论,不过这已经是目前最流行的版本了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选