It goes off in this strange digression. It seems like his mind has simply wandered, as it does, from one version of the story to another. But the mention of the machines is not incidental.

这故事就这么奇怪地离题说着，好像他的思想,在游离，从故事的一方面跳到,另一方面，但是提到机器并不是偶然。

耶鲁公开课 - 1945年后的美国小说课程节选