Firstly, we have an extended metaphor.

首先，我们有一个扩展的比喻。

So basically, an extended metaphor is a theme that reoccurs throughout the poem.

所以基本上，延伸隐喻是贯穿整首诗的主题。

The first aspect of this poem we're going to look at is the extended metaphor.

这首诗的第一个方面是延伸的隐喻。

The Xerox Star extended the desktop metaphor.

Xerox Star 扩展了桌面隐喻。

I think it's really important as well to talk about the extended metaphor that is throughout the entire the monologue.

我认为讨论贯穿整个独白的延伸隐喻也很重要。