But some take effect quickly. For example,in six months the new law will bar insurance companies from denying coverage to children with pre-existing health conditions.

VOA: special.2010.03.24

All right, so where we left off with the photoelectric effect was when we first introduced the effect, we were talking about it in terms of frequencies.

好，我们刚才停止光电效应这个话题,是当我们第一次用频率，来讨论这个效应的时候。

麻省理工公开课 - 化学原理课程节选

So if you get the CD set, not only do you get a wonderful beginning library of classical music but in effect you get a lifetime service contract with it.

所以一旦你买了整套CD,你不仅可以拥有一个古典乐图书馆,而且还可以享受终身服务

耶鲁公开课 - 聆听音乐课程节选

And it was proposed by my thesis advisor Professor Weisskopf that we work on this problem to understand the effect of the impurities in scattering electrons and interfering with their motion.

VOA: special.2010.11.09

"There's actually, in the last several years, been convincing evidence that replacing saturated fat in one's diet with carbohydrates has very little effect on heart disease.

VOA: standard.2010.03.25

Several automakers introduced new models. And a pay hike announced by the government for its employees with retrospective effect put money in the hands of many people.

VOA: standard.2009.03.13

Other issues rights groups want to raise with leaders include the impact of climate change on communities and the effect investment projects would have in Burma and other countries.

VOA: standard.2009.10.09