So in the end, this is just saying allocate me as many bytes s1 as were needed to store s1 itself.

最终，这个只是表示给我分配,足够多的空间来存储。

哈佛公开课 - 计算机科学课程节选

So, for example: in this case, my list is a bunch of integers. And one of the things I could take advantage of, is I'm only going to need a finite amount of space to represent an integer.

列表是一系列整数,要注意的这里的优势能够,用有限的空间来表示整数,例如，如果我想要操作。

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