"When you can't say for sure whether all the women in the advance provision group actually used the medication, then you're kind of looking at population level effect of a strategy, not the individual effect of a medication."

VOA: standard.2010.03.22

So, that, for me, was kind of the first connection that what went, "Woah, wait a second, I want to be thinking about these molecules all the way down to the level of individual atoms."

接下来我遇到的一个问题,哇哦，等等，让我想想，是我在学习,有机化学的时候“

麻省理工公开课 - 化学原理课程节选