There has been a long discussion about what people owe each other and how okay it is to try to make money.

曾经有一次很长的讨论,是关于自己欠别人多少,而自己应该赚多少才合适

耶鲁公开课 - 金融市场课程节选

It's been so long that we've been planning and work has been so stressful lately.

我们计划好久了，最近的工作又有这么大的压力。

I've been 实战 - SpeakingMax英语口语达人

That car stage or that car slice if we want to talk about that way it has only been around for however long months, years, a year.

那辆车的阶段或者部分,如果我们非要分析的话,只能持续很短时间,几个月，几年，或者一年。

耶鲁公开课 - 死亡课程节选