Their doors are open and people come and go everyday, but they're not really open for business.

他们敞开大门，人们每天进进出出，但是他们并没有真正在做事。

耶鲁公开课 - 金融市场课程节选

We throw our city open to the world and never exclude foreigners from any opportunity of learning and observing even though the eyes of an enemy may profit from our liberality " Pericles boasts once again.

我们的城邦向世界敞开大门,且从不排除让外国人,向我们学习及观摩的机会,就算敌人可能因此,从我们的慷慨中受益“，伯里克利斯再次自夸。

耶鲁公开课 - 政治哲学导论课程节选