On Thursday, health ministers and senior officials from East Asia agreed to step up monitoring and prevention efforts against swine flu.

VOA: standard.2009.05.08

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

So yes,while we have national AIDS programs, while countries are attempting to draw up their national strategies, coverage,in terms of treatment, voluntary counseling and testing and even prevention, is very,very poor.

VOA: standard.2010.07.07