"In the House of Representatives, it is really a question of whether Obama's Democrats are going to lose 15 seats or 25 seats or the 40 seats necessary for the Republicans to take over."

VOA: standard.2010.03.16

As you're settling into your seats, why don't we take 10 more seconds on the clicker question here.

你们现在都坐在座位上了，为什么不用10多秒的时间,来做这道选择题呢？好的。

麻省理工公开课 - 化学原理课程节选

As you're settling into your seats, why don't we take 10 more seconds on the clicker question here.

你们现在都坐在座位上了，为什么不用10多秒的时间,来做这道选择题呢？好的。

麻省理工公开课 - 化学原理课程节选