"Malawi is a landlocked state, it is one of the ones that we tend to worry most about, and yet it has demonstrated that when you focus attention on a problem you can make progress."

VOA: special.2010.04.26

The problem is you've got to make hundreds of millions of doses sometimes in order to have an effect on progress of the disease.

问题是有时候你不得不去制造几亿支疫苗,以便在疾病进展时发挥作用

耶鲁公开课 - 生物医学工程探索课程节选

But in a possible sign of progress, Mitchell will visit several Arab countries and then make an unscheduled stop in Israel on Friday for more talks.

VOA: standard.2009.09.16