I'm walking along the list once, taking two things and saying, make sure the biggest one is next.

我遍历一次列表，每次取两个值,确认最大的元素在后面一个。

麻省理工公开课 - 计算机科学及编程导论课程节选

And unlike n, l can start all the way down at 0, and it increases by integer value, so we go 1, 2, 3, and all the way up.

不像n，l可以从0开始取，然后每次增加一个整数，所以我们可以去1，2，3，一直下去。

麻省理工公开课 - 化学原理课程节选