This is the modern city, not as a scene of fragmentation or despair, but rather a place of ascent and aspiration.

这是一座现代化的城市，并不是破碎或绝望的场景，而是一座在上升的渴望之城。

耶鲁公开课 - 现代诗歌课程节选

It goes up and down depending on the outlook for earnings and maybe other factors.

根据收益前景或者其他因素,这个数字可能会上升或下降

耶鲁公开课 - 金融市场课程节选

And so the whole definition of what a recession is is evolving and... we could be in a similar kind of situation where job...number of jobs goes up or down and maybe output doesn't.

因此，经济衰退的完整定义,不是一成不变的。,有时可能出现这种情况,失业率也会上升或下降,而国民产量并无波动。

斯坦福公开课 - 经济学课程节选