Republicans would need a 40-seat gain in November to take back majority control in the U.S.House of Representatives.

VOA: standard.2010.05.19

How we could take cells that are differentiated to some extent and make them de-differentiate, to go back in the process of differentiation so that they gain more potential.

我们如何把一些已经分化到,一定程度的细胞去分化,使其回到分化之前,重新获得更多的潜能

耶鲁公开课 - 生物医学工程探索课程节选

But last month,two senators, presented a plan that calls for illegal immigrants to pay back taxes and perform community service in order to gain legal status.

VOA: standard.2010.04.12