Liberals within the Democratic Party have been fighting for a public option, saying that it is the only way to spur private insurance companies to keep costs down and offer affordable plans to consumers.

VOA: standard.2009.10.26

OK, and you can see that this thing ought to unwrap, it's going to keep extending out those multiplications until gets down to the base case, going to collapse them all together.

好，你可以看到这种方法,是怎么解决的,他一层层的将乘法展开一直到最底层,然后将他们一起乘起来。

麻省理工公开课 - 计算机科学及编程导论课程节选

If it's there, I'm done, if not, I keep walking down, and I only stop when I get to a place where the element I'm looking for is smaller than the value in the list., in which case I know the rest of this is too big and I can stop.

并且保持遍历,我只在当当前位置的数组元素,大于目标数时停止,这意味着剩下的元素都比目标元素大，但是其他的情况,我还是要遍历完整个数组。

麻省理工公开课 - 计算机科学及编程导论课程节选

As I keep moving down, that part gets smaller, it's not always the initial length of the list, and you're right. But if you do the sums, or if you want to think of it this way, if you think about this more generally, it's always on average at least the length of the list.

等等，随着移动，剩下的部分越来越小，并不是初始那么长了，如果你算一算，或者你这么想，你考虑更一般的情况，平均下来至少是列表的长度。

麻省理工公开课 - 计算机科学及编程导论课程节选

And I keep chopping it down.

就这样我们持续的把列表划分开。

麻省理工公开课 - 计算机科学及编程导论课程节选