That is the fundamental idea that may seem simple and obvious to you, but it certainly wasn't back when the idea first came up.

刚才讲的就是最基本的概念,可能看起来比较简单明显,但这些概念刚出现时并不被广泛理解

耶鲁公开课 - 金融市场课程节选

I'm not a professor of architecture, but it's obvious this is northern European architecture that you can see in northern France, cities like Arras and other places, or Charleville-Mezieres in the Ardennes.

我虽然并不是个建筑学教授,但这很明显是典型的北欧建筑,你能在法国北部看到,像阿拉斯之类的地方,或是阿登省的沙勒维尔-梅济耶尔也可以

耶鲁公开课 - 欧洲文明课程节选