Secretary Napolitano, a former governor and attorney general in the southwestern border state of Arizona, says prosecuting drug criminals is a more effective strategy than building border walls.

VOA: standard.2009.03.24

If we have a higher z effective, it's pulled in tighter, we have to put in more energy in order to eject an electron, so it turns out that that's why case 2 is actually the lowest energy that we need to put in.

而如果有效核电量更高，原子核的束缚也就更紧，我们不得不输入更多的能量来打出一个电子，这就是第二种情况,所需要输入的,能量更少的原因。

麻省理工公开课 - 化学原理课程节选

As a lot of research, especially in physics education, shows that this kind of pedagogy is more effective.

因为很多研究表明，尤其是一些物理教学领域的，这种教学方法,会更有效。

麻省理工公开课 - 媒体、教育、市场课程节选

Vaccination is a life or death question for poor people and if you can vaccinate a child to prevent a disease from happening it is a lot more cost effective than it is to treat that disease afterwards."

VOA: special.2010.03.29

Now we're doing the same for IT, using standards, taking things that are in what's this big bucket known as services and really encapsulating them in the form of services and products, but in a much more cost-effective way, using standards.

现在对于整个信息技术行业我们也采取这种方法，使用标准,通过服务,注入产品和服务，通过标准，提高成本效率。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

President Obama says he is scrapping the Bush administration's proposal, and replacing it with a plan that is more flexible and effective.

VOA: standard.2009.09.17

So, it's more effective because it's a live virus but it's a little bit more concerning because it's a live virus as well, in that you trust that it's attenuated but could it convert back to a virulent form or a form that caused a disease.

因此,口服疫苗更加有效,因为它是活性病毒,但又是因为这一点,人们也存有更多顾虑,当它处于减毒状态时你会信任它,但是它会不会转变回,强毒壮态或者致病状态呢

耶鲁公开课 - 生物医学工程探索课程节选

He also said a more responsive and effective Afghan government would help dispel doubt in the international community and inspire more assistance.

VOA: standard.2009.10.23

"Having an effective state and a modern economy, which requires toiling more than a year."

VOA: standard.2010.06.24

Luciani says UNICEF is working closely with a number of youth groups in Guinea Bissau because those organizations are often more effective at getting the message out to young people who might ignore more traditional public health campaigns.

VOA: standard.2009.04.24