To use an ancient expression from the 1970's, which only John and I will appreciate, it's really hard to grok what that code is doing, to understand what it's trying to make happen.

我和约翰都会同意，70年代的一句话来概括，那就是很难理解编码的内容，以及它想要完成的工作。

麻省理工公开课 - 计算机科学及编程导论课程节选

I'll let you just grok it but you can see it's basically doing what I did over there. Setting up two indices for the two sub-list,it's just walking down, finding the smallest element, putting it into a new list. When it gets to the end of one of the lists, it skips to the next part, and only one of these two pieces will get called because only one of them is going to have things leftovers.

你们可以大体的浏览一下,但是它们基本就是我在那里所做的事情,为两个子列表设置了两个指针,指针顺着列表走下去，找到最小的元素,把它放入到一个新的列表中去,当它走到一个列表的尾部时,它会跳到下部分去,两部分中只有一个会被执行,因为只有一个会有元素剩余。

麻省理工公开课 - 计算机科学及编程导论课程节选