I was half Belgian, I grew up going back and forth between Europe and the United States.

我一半是比利时人，从小到大，我往返于,欧洲和美国之间。

普林斯顿公开课 - 国际座谈会课程节选

Okay. Now that's a lot of people in the class, maybe a third, a quarter, or half, something like that, a lot of people in the class.

好,班里很多同学,也许是三分之一,四分之一,或一半,班里很多人这样认为

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

As I mentioned before is one example on the risk for breast cancer in women, so you'd randomly assign half to following their usual diet, the other half to an intervention program where people are prescribed a low fact diet, given counseling and interventions from dieticians and things, and then you look to see what happens for risk as people go forward in time.

我之前提过,这例子研究的是,女性的乳腺癌发病率,你将随机选择其中一半人按一般习惯饮食,另一半人则参与一个干预计划,其中每人都要食用,由营养学家设计推荐的低脂肪菜单,然后再看随着时间推移,被试者的发病率是怎样变化的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选