"But what has not yet happened is setting up the complicated vehicles inside the institution to convert that gold and the proceeds from selling it into money for low income countries.

VOA: standard.2009.04.20

Sometimes subtle changes in the structure of a protein can convert it from an active state into an inactive state.

有时蛋白质结构上一些很小的变化,就能将其由激活态转变为非激活态

耶鲁公开课 - 生物医学工程探索课程节选