It's a long sequence of instructions, it starts at the beginning, walks through, may jump around a little bit, but eventually comes down at the end. It's okay for the things you're doing for the early problem sets.

这是一长串指令，从开端开始，向前步行，偶尔来回跳一会儿,但是最终会走到结尾,这些足以解决最初级的问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

Of course, since the dialogue is indeed a dialogue, we don't always have the arguments laid out with a series of premises and conclusions.

由于仅仅是对话,我们不会看到一长串,有前提和结论的论证

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