There were a lot of other things that happened in the nineteenth century that advanced information technology and made finance really powerful.

9世纪还发生了许多其他的事情,推动了信息技术的进步,也使得金融开始强大起来。

耶鲁公开课 - 金融市场课程节选

Stuff that the eighteenth century farmer made for him and herself now you bought from a peddler or you bought from a store in town.

8世纪的农民,自给自足的东西,现在他们从商贩那儿购买,或者到城里的商店购买

耶鲁公开课 - 美国内战与重建课程节选