On one level, there are things like companies that have two . different classes of stock that are economically identical.

一方面，我们有这样的例子，有的公司拥有两种,不同类别的股票，他们在经济意义上是相同的。

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Well it kind of depends on what you think is driving the problem, and each of these things suggest a different level, different types of things you might do.

这取决于你对产生这个问题的原因的理解,不同的理解决定着你可以采取的,行动的层次和方式

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