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。

youdao

You, she and I should work together and play together.

你、我和她应当共同工作、一起玩耍。

youdao

You, she and I should work together and play together.

我、你和她应当共同工作、一起玩。

youdao

And I count on each and every one of you to work together with the United Nations and your national leaders for common prosperity and common values of all people of the world.

UN: Secretary-General

And I thank you for the opportunity to exchange our views and to work together for this common end.

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And if we work together, I guarantee you we will meet our challenges.

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