"I think if the president keeps fighting for reforms that are clearly about where the country needs to go, he will benefit and Democrats will benefit,"

VOA: standard.2009.12.15

Go ahead and let the Bush tax cuts expire on the theory that the government needs extra revenues to cover the higher spending or should he try to ? make the Bush tax cuts permanent, Ken Judd?

第一种是让布什减税政策自动终结，然后增税,这个倒也在情在理，毕竟政府需要,额外增加财政收入，来承担高额的财政支出,第二种是，采取措施,让该政策继续生效，肯·贾德，你怎么看？

斯坦福公开课 - 经济学课程节选

RNA polymerase is smart, it knows where it needs to go in order to make the copy of RNA that's required.

NA聚合酶很聪明,它知道该由什么位置介入,来转录所需要的RNA

耶鲁公开课 - 生物医学工程探索课程节选