However,the president told the Democrats Saturday he is still committed to overhauling the U.S.health care system, which has been a centerpiece of his domestic agenda.

VOA: standard.2010.02.06

They wouldn't have said that because it doesn't sound we want to think that we invented this here but it actually was a new invention in a way because the United States has a different philosophy which the United States has been committed since its beginning to federalism.

他们不会说,因为它听起来不像,这里我们希望大家把它想成我们自己的发明,但是事实上，它确实是一个新的发明,因为美国有一个不同的哲学,这个哲学是，美国力图从一开始就,使自己成为联邦制度国家。

耶鲁公开课 - 金融市场课程节选

The other one is a committed progenitor cell that now somehow has been changed in such a way that it's going to mature and develop into non-stem cells or the cells that make up our bodies, somatic cells.

而另一个子细胞就通过某种变化,成了定向的祖细胞,并将成熟和发育为非干细胞的细胞,就是构成我们身体的细胞,体细胞

耶鲁公开课 - 生物医学工程探索课程节选