In an ideal world, where you can borrow and lend freely, an individual could choose consumption along any point on this line.

在理想情况下,你可以随意借贷,每个人都可以将这条线上任意一点,作为自己的消费额

耶鲁公开课 - 金融市场课程节选

All the supreme court justices would share our social values. And most importantly, our programs would work the first time we typed them. By now you may have noticed that we do not live in an ideal world.

符合我们的社会价值观,但是最重要的是，我们写好的程序，第一次就能顺利运行,如今你可能已经注意到了,我们生活的并不是一个理想的世界。

麻省理工公开课 - 计算机科学及编程导论课程节选

But even an ideal like self-reliance I can remake my world, I can be anything I want is changed by the Market Revolution.

甚至是理想主义的自主,我能改造我的世界,我能成就任何事,这种观念也被市场革命改变了

耶鲁公开课 - 美国内战与重建课程节选

And this is something to contrast with the early Yeats and its high idealism, and its drive to exist in an abstract and ideal world.

这可与早期他诗歌的理想主义,致力表现，抽象理想世界作对比。

耶鲁公开课 - 现代诗歌课程节选