"The number of young adults that have finished high school is also now at a record all-time high.

VOA: special.2009.11.19

OK, good. This might be our all-time high, 89% got this right. This is great.

好的，很好这可能是我们上课以来正确率最高的一次，89%，的同学都做对了，这太棒了。

麻省理工公开课 - 化学原理课程节选

College enrollment has reached an all-time high in the United States.

VOA: special.2009.11.19

That means they're college eligible. So part of the reason college enrollments are at an all-time high is because the pool of youth that's eligible to go to college is also at an all-time high."

VOA: special.2009.11.19