So,basically,that's how I started. Sometimes I'm not sure if I've done the right thing or not."

VOA: standard.2010.07.20

We'll talk about whether food can promote health; of course it can if done right, and we'll talk about the specific properties of food that promote good health and what can be done to increase the opportunity of food to improve the public's health in a national and international way.

我们将讨论食物是否能促进健康,当然,适当的饮食能促进健康,我们还将讨论健康食品的特殊性质,以及我们如何,通过食物来提高,全国乃至全世界公众的健康水平

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

All right? So if I called sqrt alone, that return test value is done, but in this case I bound it to test, so I can go look at test, and there it is.

执行完返回值语句,但是在这里我将把它赋值给,所以当我看test的值的时候就是返回的值。

麻省理工公开课 - 计算机科学及编程导论课程节选