在过去，如果你想在一段时间内保持写作，钢笔可以做所有的工作。

In the past, the pen did all the work if you wanted to keep any writing for some time.

youdao

那两名记者保持一段适当的距离跟在后面。

The two journalists followed at a discreet distance.

《柯林斯英汉双解大词典》

即使学校保持现状，孩子们至少也会在那里呆上一段时间，因为他们可能会在学校里找到朋友。

Even if school stayed just the way they are, children would spend at least some time there, because that's where they'd be likely to find friends.

youdao

And I think they were, at a certain point, holders of the record for the most losers.

我印象中他们有段时间，成了输掉比赛最多的纪录保持着。

普林斯顿公开课 - 人性课程节选

What makes the law surprising is that if I only gave you half the law, namely every body will remain at rest if it's not acted upon by a force, you will say, "That's fine. I accept that, because here's something, you leave it there, it doesn't move.

这条定律妙就妙在,如果只看定律的前半段,即,如果物体不受外力作用,将保持静止状态,你肯定会觉得,"这没什么,我能理解,因为你把一个物体放在那里,自己肯定不会动

耶鲁公开课 - 基础物理课程节选