These things that we discovered were meant for a practical usage in ways that I will tell you about in a little while.

而这些我们发现的东西,在某些方面是有实际用途的,稍后我会提到

耶鲁公开课 - 古希腊历史简介课程节选

There is a researcher at The Harvard Medical School named David Ludwig who's done a terrific series of studies on the glycemic index and found how it relates to food intake, body weight regulation, and health.

在哈佛医学院有一个研究员,名叫大卫·路德维格,他在血糖指数方面,做了一系列出色的研究,并发现了血糖指数与食物摄取,体重控制以及健康之间的关系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选