Deforestation is mainly caused by the cutting down of tropical forests to provide land for agriculture.

VOA: special.2010.04.06

OK. You can see that thing is cutting down the problem in half each time, which is good, but there's one more thing I need to deal with.

这很棒，但是我们还需要处理另外一件事情,让我们仔细来看看,我在开始做之前一直在说，应该先试验试验。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because I'm cutting down the problem in half at each time. You're right, but there's something we have to do to add to that, and that's the last thing I want to pick up on.

但是我们还需要强调一点,这是我最后想讲的一点,让我们来看看代码-实际上，让我们先来测试测试吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

Agriculture Report. Farmers,especially in developing countries, are often criticized for cutting down forests.

VOA: special.2009.09.01

If everyone else is cutting down I don't have too, and if everyone else does cut down I don't have to, I end up using hot water and driving a big car and so on.

如果大家都想减排,我没必要跟风,如果别人真的减排了又与我何干,我照样用着热水,开着大排量汽车

耶鲁公开课 - 博弈论课程节选

Organizers made efforts to avoid cutting down old-growth trees.

VOA: special.2010.02.10

And nobody knows, nobody believes that we can cut spending, right? -Somebody down the road has to pay the bills Somebody down the road has to pay the bills, either by cutting spending, cutting benefits or raising taxes.

而几乎没人相信,政府能够成功节流，不是吗？，-那总得,有人来埋单啊,迟早要有人来为此埋单的，要么精简政府开支，削减福利，要么增税。

斯坦福公开课 - 经济学课程节选

Most scientists believe the warming trend is mainly caused by human activity, especially the use of fossil fuels and the cutting down of forests.

VOA: standard.2009.12.09

At each stage, no matter which branch, here or here, I take, I'm cutting down the length of the list that I'm searching in half. All right?

选的是这里还是那里,我总是把列表分成两半，对吧？,所以如果我处理一个长度为n的列表？

麻省理工公开课 - 计算机科学及编程导论课程节选

Britain is cutting down on its industrial gas use to save supplies.

VOA: standard.2010.01.10

In fact, it took the same number of steps as it did in the other case, because each time I'm cutting it down by a half.

因为每次我都把问题的规模,缩小一半，这很棒，好，接下来让我们这么做。

麻省理工公开课 - 计算机科学及编程导论课程节选

"I learned by studying, that suicide is forbidden in Islam, and killing of innocents is forbidden in Islam, and even cutting down trees in a defensive battle is forbidden.

VOA: standard.2010.05.21

And you can see it wrapping its way down, cutting in half at each time until it gets there, but it takes a while to find. All right.

但是这也花了一点时间来搜索，好，让我们看看100万，或者1000万是不是在数组里。

麻省理工公开课 - 计算机科学及编程导论课程节选

But now,Borges says, they face loggers, farmers and ranchers who seek to make money from cutting the forests down.

VOA: standard.2009.12.17

And I keep cutting the problem down.

那么我应该选取数组中的哪个点呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

With this, if I can assume that accessing the i'th element of a list is constant, then you can't see that the rest of that analysis looks just like the log analysis I did before, and each step, no matter which branch I'm taking, I'm cutting the problem down in half.

读取数组中的第i个元素,是个常量时间的操作的话，我也就能像以前那样得到,这个算法是对数级复杂度的分析,并且每一步不管我选择哪个区间，我都可以把问题的规模缩小一半。

麻省理工公开课 - 计算机科学及编程导论课程节选