如果青少年花这么多时间使用电子设备，这是否意味着他们不得不放弃一些其他的活动？

If teens are spending so much time using electronic devices, does that mean they have to give up some other activities?

youdao

从1981年到1997年，详尽的时间使用研究表明，孩子们花在玩耍上的时间减少了25%。

Between 1981 and 1997, detailed time-use studies showed that the time children spent at play declined by 25 percent.

youdao

我上班时在午餐时间使用互联网。

I use the Internet at work, during my lunch hour.

《牛津词典》

And I think there was a time when that sense of dominion was used as justification for using those resources only to serve human needs.

我想，有一段时间里，这种统治感,被人们当做使用资源的借口,仅仅为了满足人类的需求。

普林斯顿公开课 - 人性课程节选

If we weren't so pressed for time, I kinda wanna see how long we could get away with this before it gets awkward, but that, in fact, is an infinite loop t hat's hopefully deliberate.

如果有时间，我想看看,我们需要花多长时间解决这一问题，事实上，它是我故意,使用的无穷循环。

哈佛公开课 - 计算机科学课程节选

But you shouldn't take the date that I give you, the traditional date, as being firm.

但是我所提供给你的日期历史久远,并不能当做确切的时间加以使用

耶鲁公开课 - 古希腊历史简介课程节选