The report concludes, "A substantial reduction of impacts would only be possible with a substantial worldwide diet change, away from animal products."

VOA: standard.2010.06.04

And so this is a substantial change in the interaction of a microorganism with a population, right?

所以这是微生物和人类,之间关系的一个巨大改变,对吧

耶鲁公开课 - 生物医学工程探索课程节选

Typically, we are oblivious to these factors that change our points and this is, in fact, a substantial and an important part of the study of psychology, and particularly, for instance, the study of racial and sexual prejudice.

通常，我们觉察不到,这些能够改变我们看法的因素,无意识实际上，是心理学研究中的一个重要内容，特别是在对种族偏见和性别偏见的研究中，会表现的更加明显。

耶鲁公开课 - 心理学导论课程节选