NASA researchers are calling for a new version of Levin's experiment to be flown to Mars.
为了再次飞抵火星，宇航局研究人员现在正在争取一个新版本的列文实验。
That is why jobs must be our number one focus in 2010, and that is why I am calling for a new jobs bill tonight.
这就是为什么在2010年的我们的头号重点工作必须是扩大就业，也是为什么今晚我在此呼吁一项新的就业法案。
He decided to found the school following a positive response to an article he wrote for the ar in 2012, calling for a new approach to education.
他决定创建这所学校来积极回应自己于2012年为AR写的一篇文章，在那篇文章中他呼吁教育革新。
Fearing what some economists are already calling a 'jobless recovery', President Barack Obama is pressing Congress to enact financial incentives for small businesses to hire new workers.
VOA: standard.2010.02.07
She testified at the hearing, calling the new missile defense plan for Europe a "dramatic improvement" over the old Bush administration plan, and rejecting criticism that it is a unilateral concession to Russia.
VOA: standard.2009.09.24
In his speech, the president indicated he may be willing to cede some ground in the ongoing political battle over abortion, calling for a "sensible conscience clause" to be included in any potential new freedom of choice legislation, so that doctors and nurses who oppose abortions cannot be forced to perform them.
VOA: standard.2009.05.17
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