If that proves true, it would help thousands of people who are seeking to prevent life-threatening conditions.

VOA: special.2009.10.20

And you can kick it down the road ... but somebody down the road... I think it's very important to make the tax cuts permanent to prevent the taxes from increasing It would be really a large drag on the economy.

你可以视若无睹,但总得有人来。,我认为，长期实行减税政策十分重要,这样可以避免税率增加,否则会极大地阻碍经济发展。

斯坦福公开课 - 经济学课程节选

They hoped something would happen to prevent it.

VOA: special.2009.06.06

And,as I said,it would be tough for any government,any country, to prevent these kinds of attacks."

VOA: standard.2009.12.11

Bosnian Foreign Minister Sven Alkalaj said the current political crisis would not adversely impact its role on the council or prevent it from taking common positions.

VOA: standard.2009.10.15