The conference will discuss groups like al-Qaida and how to prevent them from obtaining nuclear materials for bombs.

VOA: standard.2010.04.06

How can we prevent murderous schoolyard violence in children who have access to weapons,poor parental supervision, and a mean streak?"

如何防止校园暴力,这些暴力事件通常是由掌握武器，缺乏父母监管，或受到教唆的孩子引起的“

哈佛公开课 - 幸福课课程节选

Nobody knows how bad the mortgage crisis is going to get but Ben Bernanke thinks that it's so important that we prevent a collapse that we should take that risk.

没有人知道抵押危机,到底会有多坏的影响，但是本？伯南克认为,预防承担那个风险所带来的暴跌,是非常重要的。

耶鲁公开课 - 金融市场课程节选

The World Health Organization and the UN Children's Fund say they know how to prevent these deaths.

VOA: standard.2009.11.02

"The only way we can get rid of it is to tell the people how to prevent themselves and how to get rid of the disease,".

VOA: standard.2009.04.25

Both sides in this debate acknowledge the threat of terrorism, but are divided over how to prevent it and how to preserve the country's democratic values.

VOA: standard.2009.09.10

In the United States in 2009, new recommendations on mammograms by a government appointed panel of experts fueled a controversy around breast cancer and how to prevent it.

VOA: standard.2009.12.25

and Afghan officials about how to prevent the infiltration of insurgents.

VOA: standard.2009.07.04

She says educating people about how to prevent the transmission of the virus that causes AIDS is crucial in a country where only about 16 percent of young people say they know how to protect themselves.

VOA: standard.2009.04.24

The authors say community education programs could help prevent snakebites by teaching people how to avoid them.

VOA: special.2010.01.25

This week,we will tell how some storms might help to prevent large earthquakes.

VOA: special.2009.07.07

"How do you make sure you are designing a system where you are going to constrain risk taking, you can prevent crises from spreading,and -- if a major institution managed itself to the edge of the abyss -- that we are able to put them out of their misery."

VOA: special.2010.04.16