The longest piece that I have been working on has been developed over the last three years.

我一直在写的一个最长的剧本已经写了三年了。

灵感从何处来 - SpeakingMax英语口语达人

The basic thing, though, is that every country has to take the insights that have been developed around the world.

但是最基本的是,每个国家都要不断学习,世界各地的先进理论。

耶鲁公开课 - 金融市场课程节选

One that was developed a number of years ago but has been perfected and refined in recent years with very, very good research.

该概念很多年前就已经提出了,但在近年通过高水平的研究才被改进完善

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

That's what--that's the view that's developed that has been with us ever since.

那就是-那就是已经发展了的观点,自从那时起就一直跟随我们的观点。

耶鲁公开课 - 金融市场课程节选