Economists when researching it all over the place, but I feel a lot has to do with monetary policy.

经济学家常百思不得其解，但我感觉经济与货币政策有很大干系。

斯坦福公开课 - 经济学课程节选

And in a thousand other ways Americans realized racism isn't a Southern thing, it's everywhere, belongs to everyone.

经历这些种种后,美国人意识到,种族主义不仅仅局限于南方,它无处不在,所有人都与它脱不了干系

耶鲁公开课 - 美国内战与重建课程节选

What does that do to builders?

这与建造商有什么干系呢

耶鲁公开课 - 金融市场课程节选

The railroad had a lot to do, too, of course, with linking northeast with northwest, which has a lot to do with a certain sense of economic isolation that set in in the South, to some extent.

铁路也连接了,美国东北和西北地区,在一定程度上,它和当时南方,某种意义上的经济孤立脱不了干系

耶鲁公开课 - 美国内战与重建课程节选