"Why should we be encouraged to lease large tracts of land for bio fuel production that we are not eating to make money and use that money to import food?" Ghana's Agriculture Ministry says private sector farmers are free to do what they like with their land.

VOA: standard.2009.08.23

because that is a skill that they need to do when they are older, filling out forms and what did one actually look like to get a passport in USA.

因为这是他们将来,必需的技能，填写表格，以及在美国,如何取得护照。

麻省理工公开课 - 媒体、教育、市场课程节选

What I'm going to do is I want to draw the two functions we just found and see what they look like.

下面我们绘制两个函数图像,看看图像是什么样的

耶鲁公开课 - 博弈论课程节选

And then, so OK so we have all these people then, like how do you come watch what they're doing and I'm not trying to control too much what they're doing.

当你拥有自己的团队之后，你需要做好监督工作,但不要过分控制你的下属。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

There's the base case. If it's longer than one, what do I want to do? Well I'd like to check the two end points to see are they the same character? And if they are, then oh, I just need to know is everything else in the middle a palindrome?

如果只有一个元素也是回文，这是基本事件,如果比一个长的话那么我应该怎么做？,我将会查看两头是否相同？,如果是的,我只要知道中间剩下的部分是不是回文即可？

麻省理工公开课 - 计算机科学及编程导论课程节选

We'll talk about some chemistry today, what DNA molecules are like, why they have the behavior that they do, and you need to understand this in order to understand how you manipulate DNA.

今天我们会谈到一些化学结构,比如DNA分子的形态,它们为什么会以这种形态存在,你必须先掌握这些,才能理解如何操控DNA

耶鲁公开课 - 生物医学工程探索课程节选