"And a lot of these bullying prevention and intervention programs that focus on bystanders have been shown to be the effective programs because they focus on changing that bystander behavior.

VOA: special.2010.05.06

They would have decided on the basis of what was most effective and you would not want old guys.

他们以战斗力为基础进行决定,你也不想用老弱残兵吧

耶鲁公开课 - 古希腊历史简介课程节选

And we know as we go across a row in the periodic table, what's happening is that z effective or the effective pull on the nucleus is increasing.

而我们知道沿着周期表的某一行向右看，有效核电量,或者说原子核的有效引力是在逐渐增大的。

麻省理工公开课 - 化学原理课程节选

On Earth,biological activity is very effective in making methane.

VOA: special.2009.12.30

He's going to ameliorate their conditions, he's going to make their slavery on his plantations so effective, so good, such a even joyous form of labor, that he will be doing God's work by improving slavery.

他会改善奴隶们的生活条件,他会让自己种植园的奴隶们,提高工作效率,优化管理模式,奴隶甚至是一种令人享受的工作,他会按照上帝的旨意提升奴隶的生活水平

耶鲁公开课 - 美国内战与重建课程节选

Over at competitor General Electric, actor Ronald Reagan -- later the fortieth president of the United States -- and often referred to as the Great Communicator, was for many years an effective commercial spokesman every week on the GE Theater.

VOA: special.2011.07.21

In many ways you can look at most of our experiences, psychological effective experiences on a continuum, where some of them fall below the zero, the negative experiences or the painful experiences and the positive or the pleasurable experiences between the zero and the positive.

可以从多方面来看我们的经验，在心理连续谱上看有效心理经验，有时候会跌倒0以下，不愉快或痛苦的经历,积极或愉快的经历,分别在0与正值之间。

哈佛公开课 - 幸福课课程节选

Republicans on the financial services committee, including Representative Scott Garrett, voiced concerns that greater regulation may not be effective.

VOA: standard.2009.03.26

It's also very interesting to think about how the food label could change because this legislation comes up here and there and government consideration, and so if you guys have thoughts that you'd like to write about on one of your concept sheets about what could done to the food label to make it more effective, and more accessible to people, then feel free to write about that. Yes?

考虑一下食品标签可以如何改进,也是很有意思的,因为立法和政府考虑无处不在,如果大家有任何想法的话,可以在你们的观点报告里写一篇文章,关于如何改进食品标签,使其更有效,并且更通俗易懂,大家可以自由发挥,请讲

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Meanwhile,expedited efforts are going forward on several continents to develop an effective vaccine for the new strain of influenza.

VOA: standard.2009.04.30

Economists have long considered government spending, especially on infrastructure, to be an effective tool for revitalizing a stagnating economy.

VOA: standard.2009.10.16

I expect a robust agreement at Copenhagen summit meeting that will be effective immediately and include specific recommendations on mitigation,adaptation, finance and technology.

VOA: standard.2009.12.09

"Our plan is based on the belief that fast-acting tax relief is the most effective way to put our economy back on track,"

VOA: standard.2009.10.03

It is the first step toward an effective agreement on climate change,"

VOA: standard.2009.11.27

They were so effective and cost effective and yet immunization rates were on the decline if you look back 10 years ago, However,she says in the last nine years, immunization rates for such diseases as diphtheria, tetanus and pertussis have risen sharply.

VOA: standard.2010.01.29

"What we assure is that the technologies that do come on the market are safe and effective, but whether or not they should be used on a given case,a given patient, is a decision that is made by the individual practitioner."

VOA: standard.2010.04.07

Speaking on behalf of the host country, Russian Foreign Minister Sergei Lavrov said an effective struggle against such problems requires significant improvement in the combat readiness and coordination of the Afghan military, police and other law enforcement agencies, which the U.S.also considers important.

VOA: standard.2009.03.27

But some Pakistani political factions and the country's powerful military have been bitterly critical of provisions in the legislation which,among other things, requires the Obama administration to report to Congress every six months on whether Pakistan's newly-democratic government is exercising effective civilian control over the military.

VOA: standard.2009.10.13