Officials say the rate has tripled in teenagers and doubled in younger children since nineteen eighty.

VOA: special.2010.06.07

So I think the comparable and parallel structure for the baby-sitting for the younger children is that adults need time out.

所以我认为与青少年的,临时保姆目标相对应的,是成年人需要腾出时间。

麻省理工公开课 - 媒体、教育、市场课程节选

It was an eye-opener, but these days, the children are younger.

这是让我开眼界的事情，但是现在，孩子们更小了。

现在的孩子好可怕 - SpeakingMax英语口语达人