他换个书架查找，最后选了一本亚历克斯·哈利写的《根》。

He looked through shelf after shelf and finally picked on Alex Haley's Roots.

一旦成功遍历了语法中的那些部分，则执行这些操作。

These actions execute once those portions of the grammar have been successfully traversed.

这让我们理解了焦点遍历层次结构的概念，从而明白了向上和向下的焦点循环的概念。

This brings us to the concept of focus traversal hierarchy, and therefore of up and down focus cycles.

You'll also notice that this thing goes through the entire list, even if the list is sorted before it gets partway through.

你也能注意到，它始终会遍历列表,甚至列表在排序之前,就是有序的也是这样。

And because, as long as this collection is finite, this thing is just going to walk through. All right?

这个操作就会遍历完它的，对不对？,那么，如果我给大家看看，例如？

Alex is going to get all the left wing votes, but there aren't enough left wing votes here, right?

亚历克斯将获得他左边左派的选票,但不是所有的左派选票,对吗