I have a very strong sense that America has lost its way in the world.

我深深地认为,美国现已不得人心。

普林斯顿公开课 - 国际座谈会课程节选

The idea of falsifiability is that what distinguishes science from non science is that scientific predictions make strong claims about the world and these claims are of a sort that they could be proven wrong.

可证伪性是指,科学与非科学的区别在于,科学能够做出关于世界的有力预测,而这些预测是可以被证伪的。

耶鲁公开课 - 心理学导论课程节选

You can see that residential investment, as a fraction of GDP, has been very variable through history of the United States since World War II and that it's had a strong relationship with recessions.

住宅投资要计入,国内生产总值,纵观美国自二战以来,这部分投资,变动很大,而且与衰退存在着密切关联

耶鲁公开课 - 金融市场课程节选