Under his stewardship, the European Union has adopted an ambitious climate-change program that aims to cut greenhouse gas emissions by 20 percent or more by 2020.

VOA: standard.2009.09.16

If the profits are the problem, then the Non-profit could come in and under cut all the and lower the cost to us all.

如果利润是问题的话，可以让非营利机构操作,来减少花费。

斯坦福公开课 - 经济学课程节选

If you get bacteria under your skin, if you get a cut and somehow that cut gets - bacteria gets inside there, the bacteria can reproduce on their own.

如果你皮肤里有细菌,而你又割伤了自己,并让细菌进入了伤口,细菌自身就可以繁殖

耶鲁公开课 - 生物医学工程探索课程节选