A lot has happened since the exuberant optimism of the political spirit that we see in a tract like Areopagitica.

弥尔顿在《论出版自由》中发表了极为乐观的政治思想之后,政治形势发生了很大变化。

耶鲁公开课 - 弥尔顿课程节选

So I think there's just a lot of progressive thought in San Francisco, a lot of people pushing for changes.

旧金山有很多进步思想，很多人一直在推动着变化的发生。

进步的旧金山 - SpeakingMax英语口语达人

You can't think that it really could make so much difference in the real world how prices and quantitie and welfare, and profit is going to work out depending on some thought experiment about how I think about my strategy set.

你们很难想象在现实世界里,价格 产量 福利和利润会因为,不同策略集合设定下的思想实验,而产生如此巨大的变化

耶鲁公开课 - 博弈论课程节选