But you don't want to have to run it a long time, every time you have a hypothesis.

但是你不必每次有一个假设，都要去运行很长时间。

麻省理工公开课 - 计算机科学及编程导论课程节选

Yeats has a long career, really beginning in the late nineteenth century.

叶芝有很长一段时间，其实是从19世纪后期开始。

耶鲁公开课 - 现代诗歌课程节选

But, you can see that he was thinking about this structure for all along.

但我们可以想象得到,他对这个结构的思考已经有很长一段时间了。

麻省理工公开课 - 固态化学导论课程节选

Right. I have been interested in religion for a very long time, of course.

嗯，我对宗教感兴趣,已经有很长时间了。

普林斯顿公开课 - 人性课程节选

They have been in China for a very long time.

他们来到中国有很长一段时间了。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选