We've got two cases this week,

这周我们有两个案例
Polaroid and Enron.

宝丽来和安然
They are two cases of dramatic success and then dramatic failure.

这两个公司的历程都是大起大落
In understanding capitalism,

关于资本主义
think back to everything we've done so far.

想想我们已经学的
The idea of abrupt change, of equilibrium always being dislodged,

到处都是突然的转折
equilibrium always disrupted,

平衡总被打破
and the cardiothoracic systems case

上周末讲的心外科系统案例
from the end of last week was exactly such a story,

就是一个很确切的例子
and Polaroid is very much such a story.

而宝丽来也几乎是这样
Enron has a darker cast to it.

安然是个更阴暗的例子
It entails the darker side of the human soul.

它体现了人类灵魂黑暗面