He says it is important to educate people about the link between the alcohol flushing effect and esophageal cancer.

VOA: special.2009.05.13

So, one difference between photoelectron spectroscopy and, for example, the photoelectric effect is that in this case, we're not just looking at one energy level, which is what we were looking at from the surface of a metal, now we're talking about this gaseous atom.

光电子能谱与光电效应的不同点在于，以这种情况为例，我们不只关心一个能级，就像原来在金属表面那样，现在我们研究的是气体原子，所以，我们可以从原子中。

麻省理工公开课 - 化学原理课程节选

And the smaller the physical distance between friends, the larger the effect they had on each other's happiness.

VOA: special.2009.01.21

The book explored the effect of biological differences between men and women on their personal relationships.

VOA: special.2009.03.24

"We see the collusion between local police and the Department of Homeland Security, and the devastating effect on our families.

VOA: standard.2010.04.28