But climate change skeptics have seized on the recent theft of thousands of private e-mail messages from computer servers at a British climate research center to cast doubt on whether global warming is as serious as it has been made out to be.

VOA: standard.2009.12.09

He took the Democratic Party to the right, i.e., towards the center in order to pick up those central voters and win.

他将民主党向右翼靠拢,也就是说变得中立,以此来拉拢中间选民并获胜

耶鲁公开课 - 博弈论课程节选

This is Z times e in the center.

原子中心的电荷为e的Z倍。

麻省理工公开课 - 固态化学导论课程节选