If you're trying to prevent a disease that only occurs at a rate of 20 per 100,000 people you have to give the vaccine to millions in order to see if the number goes down.

如果你尝试去防治一个,发病概率为十万分之二十人的疾病,那么就必须将疫苗分发给数百万人,以观察疫苗能否降低发病率

耶鲁公开课 - 生物医学工程探索课程节选

At any rate, the reader must regard it as creative writing rather than simply a record of life."

无论从哪一层面来看，把它当作是极具创想的作品,而不单单是生活的记录“

耶鲁公开课 - 1945年后的美国小说课程节选

That would be a portfolio where you borrowed at the riskless rate and you put more than 100% of your money into the tangency portfolio.

在这种组合里,你可以以无风险利率借贷到一些资金,从而可以投入比你本金更多的资金,来购买切线投资组合。

耶鲁公开课 - 金融市场课程节选

The CDC can buy this from the manufacturer for a lower price, and when you hear about government organizations distributing vaccines to different parts of the world, they're buying at a reduced rate but it's still not inexpensive.

疾控中心可以从工厂拿到较低价格的疫苗,当你听到,政府组织向世界各地,分发派送疫苗时,他们确实给的是折扣价,但却并不那么廉价

耶鲁公开课 - 生物医学工程探索课程节选

Of course, if you degrade the messenger RNA at a rapid rate then you'll stop expression of the cells.

如果降解信使RNA的速度很快的话,就会停止细胞的表达

耶鲁公开课 - 生物医学工程探索课程节选