The speaker says: Before I built a wall I'd ask to know What I was walling in or walling out, And to whom I was like to give offense.

VOA: special.2011.04.17

The price of paper fell and created opportunity for record-keeping, which was very important because that's what finance is built-- you need financial records.

纸价下跌,从而使得纸质记录成为了可能，这点至关重要,因为这是金融立身之本-,人们需要财务记录。

耶鲁公开课 - 金融市场课程节选

There is a very big-- one of the largest clinical trials that the U.S. Government ever did was called the Women's Health Initiative, and there were several purposes built into this particular study, but what it did was it took post menopausal women and randomly assigned them to different dietary conditions.

有一个很大的,美国政府曾经做过的,一个最大的临床试验,叫做"妇女健康倡导计划",这项研究有几个特殊的目的,研究主要是将更年期的妇女,随机分配至,不同的饮食环境中

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选