Internal communication is just the coordination around what we're doing and why we're doing it and what our goals are and why the goals are like that. That's it.

内部的交流就是协调我们手头的工作,搞清楚我们为什么在做这些工作,为什么我们有这些目标，就是如此。

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Before I do that though, let me try and give you an analogy to keep this in mind of why we want to basically build these abstractions and what we need in order to have them work together.

在我们看例子之前请让我打个比方,以便你们能记住我们,为什么要建立这些抽象,以及要使它们协调工作,我们需要做些什么。

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