Either people in these populations were malnourished or they had to find supplementation for these super foods in order to survive.

人们需要在超级食物之余补充额外营养,否则就会营养不良

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well, this is the original food guide pyramid, it's supplemented by a more recent version and I'll show you in just a second.

这是一个最初版本的食物金字塔,最近有一个新版本对其进行了补充,我马上会给大家展示

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选