Based on the results, researchers advised doctors and parents to warn young women about the risk of wrinkles as a more effective way to prevent tanning bed use.

VOA: special.2010.07.06

Similarly,I believe that if we wish to prevent drug abuse in teenagers who grow up in a neighborhood that puts them at risk, the effective prevention is not remedial.

同样，如果我们要防止,青少年受不良的社会环境影响,而滥用药物的情况，但预防的效果不佳。

哈佛公开课 - 幸福课课程节选

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

Campbell says it is in the interest of the United States and Mexico to prevent criminal gangs from gaining effective control of Juarez or any other parts of Mexico.

VOA: standard.2009.12.18

"I go to the gym," (No Transcripts) Michael Reagan says that while following a healthy diet, reading and learning new skills can help sharpen one's memory and possibly prevent or slow the advance of the illness, the most effective way to fight Alzheimer's is to volunteer and support funding for current research.

VOA: standard.2009.12.04