Well,what did you do, buy up all the control heads in Houston?

VOA: special.2009.03.22

As youngsters come along, they need a period of adjustation while their control in the environment grows up.

如果是青少年，他们会需要一段适应期,以逐渐掌控所处的环境。

麻省理工公开课 - 媒体、教育、市场课程节选

Remember?-- Alcoholism rates went up for the intervention group, compared to the control group.

还记得吗？，干预组的酗酒比例，和对照组相比是增加的。

哈佛公开课 - 幸福课课程节选

But residents in Mogadishu say al-Shabab fighters have been searching vehicles Wednesday at various checkpoints set up in areas under their control.

VOA: standard.2009.08.26

Others at mission control shared similar sentiments. Dempsey said the cupola conjured up images of the spacecraft in the famed Star Wars movies.

VOA: standard.2010.02.18

Political analysts say Republican victories in both Virginia and New Jersey would encourage party activists and energize Obama opponents, setting up a major battle for control of Congress in next year's midterm elections.

VOA: standard.2009.10.23