One is how important it is to have more accurate measurement and how important it is for scientists to get a better handle on what people are eating.

其一是精确测量,是多么重要,对科学家来说,更好的处理人们吃了什么有多重要

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, that's not exactly the case and we're going to start in at the point where right around this time of great confidence of feeling all has been conquered, there are some observations and discoveries that are made that completely break down these theories.

把测量弄的更精确一点,但事实并不如他说的这样,我们就要从这时候谈起,当时人们十分有信心的,觉得已经征服了一切问题,但有一些实验和观察,彻底粉碎了这种看法。

麻省理工公开课 - 化学原理课程节选

Then also a problem is you can't weigh things when you're eating out, so even if you were being incredibly precise about stuff at home and you were actually weighing things, you couldn't do that very well when you're eating out.

问题是,当你在外吃饭时无法称量食物,所以即使你在家中非常精确地测量食物,并且实际测量了每样物品,但在外吃饭时你可没法这样干

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选