The disappearance of cancer stem cells,then, is important for cancer control.

VOA: special.2010.06.01

All the goods of civilization, Hobbes tells us, stem from our ability to control pride.

霍布斯告诉我们说，文明之所以文明，源自于我们对追求荣誉之心的克制。

耶鲁公开课 - 政治哲学导论课程节选

"We found that the babies who died of SIDS had abnormalities in serotonin in regions of the brain stem that control breathing and heart rate and blood pressure during sleep."

VOA: standard.2010.02.08