Because as we'll talk about next time, rates of depression are on the rise, rates of anxiety are on the rise, not just in this country, globally.
因为就像我们下次课会说到的那样,抑郁率呈上升趋势,焦虑率呈上升趋势,不只是在这个国家,是全球化的现象。
That is the lowest point on the earth's land surface so this dramatic drop in just a very short geographical area.
这是地球陆地表面的最低点,这急剧下降是在很短的地理范围内。
But this is a -- this raises a problem, that we'll see actually in just a moment having this duplication.
但这就引起了一个问题,我们刚才看到了,我们有一个重复的值。
We're going to have some that change, and we're going to work through this progressively in just a moment.
接下来我们要听一些有改变的了,等一下我们就要逐步研究它的改变。
But even more than that, we'll become even more particular than just talking about psychology in this part of the world.
但不只是这样,我们的讨论比这部分心理学更具体。
And I'm going to show you an example in a 1 second, just to drive this home, but notice the characteristics. In the first two cases, the problem reduced by 1 at each step.
在前面两个例子里,每一部问题的规模缩小了,不管是迭代的还是递归的,这表明这个问题的复杂性可能是线性的。
Virgil alludes to just this passage in Homer when he describes the entrance of a whole crowd of people in to the underworld as "the falling of leaves in the early frost of autumn."
维吉尔只是在荷马中影射了这点,他描述了通往人群拥挤的地狱的入口,如同“在深秋严寒中无情飘落的叶子“
Now in order to illustrate the way in which what Iser calls virtual work gets done in this regard, let me just run through a few passages quickly.
现在,为了阐释,在这点上,伊瑟尔所说的虚功是怎样做的,下面我们来快速地浏览几段话。
This is actually just, in part, just a review of what we talked about in the second lecture.
实际上是回顾,第二节课中讲过的内容
And again, I've written for you, but you can figure out what the electron configuration is just by writing up in this order here.
同样,我已经写出来了,但你们可以把这个写出来,就知道电子轨道构型是什么。
In the section this week, I'll talk about the section meetings in just a moment, but there's no required section meeting this week.
本周的小组讨论,我花一点时间说说关于小组讨论的事情,本周没有要求的小组讨论
So if we just go a tiny distance in here, this is Bud Light and so on.
那么如果我们稍微走点距离,这是百威淡啤酒,以此类推
We didn't just take their process in wholesale fashion and say, "We want to get what GE has for this and just put it in."
但我们并不是完全,照搬他们的经验,例如说,我们要照搬通用电器的模式“
In Section III below, Yeats says, "Get all the gold and silver that you can"-- "Provide, provide!" But just as in Frost, this strategy isn't going to work.
在第三节里,叶芝说,获得你能获得的黄金和白银-,请拿出来,请拿出来!,但正像弗罗斯特,这个方法行不通。
The work in this step is just the area under this curve.
而这一步过程的功,是这条曲线下面的面积。
Let me begin by just reminding us where we are in this course, reminding us of what we've done and what we have yet to do.
我们先来回顾这门课程,学到哪里了,回忆一下我们学过的,以及将要学的。
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