So for each student the tutor builds a model of that Student's current state what the computer thinks they Know and doesn't know, and tries to present the student options that best meet what the tutor thinks are the student's need at that moment.

因此辅导系统会给每个学生,创建一个模型记录他们当前的学习状态,判断他们已经掌握和还不了解的知识,然后给出此时导师认为,最符合他们需要的选择。

麻省理工公开课 - 媒体、教育、市场课程节选

For me, that's all I really need. I like to walk around the streets with a camera and just find interesting images, you know.

对我来说，这都是很好的取景。我喜欢走在街上，随时抓拍有意思的事物。

问摄影家 - SpeakingMax英语口语达人

He wakes onto the morning and he realizes that the armies of the night are the armies of light and that he's in the company, he's been seized into the company of people who wander on the road forever and yet find this need that's promised forever.

清晨，他醒来，意识到,昨晚的人群其实是光明的使者,而他正是其中一员，他变成了跟他们一样的人,这些人一直在流浪,尽管如此，他们仍然信仰上帝。

普林斯顿公开课 - 人性课程节选

Everyone has potentially a licenser within himself, and so there's no need - there's no logical need for a state licenser.

每个人内在都有一个控制者，所以,没有必要有一个政府的控制者了。

耶鲁公开课 - 弥尔顿课程节选

So let me write that down, it's how much memory do I need to complete a computation.

让我把它写下来,当我计算的时候。

麻省理工公开课 - 计算机科学及编程导论课程节选

So you'll just have to survive these two very historical survey lectures, because it's material that you need to know.

所以你们得熬过两堂历史回顾课，因为你们需要了解这些内容。

耶鲁公开课 - 新约课程节选

Well, first it is important because it's-- you need to track what the population is eating and also individual intake.

说它重要首先是因为,你需要探寻人们都吃什么,还有个体摄入量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Let's hear first, now we need to begin to investigate the reasons why you think it's the right thing to do.

我们先来听听大家的说法，探究一下为何,你们会认为这是正确的选择。

耶鲁公开课 - 公正课程节选

But, I'd ask you, 5 since the class doesn't end until 11:55 there's no need to be gathering things up and snapping binders and so on.

但是，我会问你，因为到11：15才下课5,没有必要把东西凑到一块儿,并且仓促的弄在一起。

麻省理工公开课 - 固态化学导论课程节选

Look, when somebody's asleep, we need to do something to, in effect, wake them up, something to turn the functioning back on.

当某人熟睡时，我们需要做些什么才能叫醒他们，做些什么才能恢复他们的功能。

耶鲁公开课 - 死亡课程节选

And sometimes it's a matter of factors that you need to figure out what it is, and maybe it's that there's extra light in the room we don't know about.

而且有时候它是,需要计算的一个因素，有时候这个房间里可能有,我们未知的额外的光。

麻省理工公开课 - 化学原理课程节选

It's a difficult thing to do these things and that's why we need invention.

做这些事很难,这正是我们需要发明的原因。

耶鲁公开课 - 金融市场课程节选

That's why you need two kinds of immune responses.

这就是你需要两种免疫反应的原因

耶鲁公开课 - 生物医学工程探索课程节选

The god says to him, "Here's what you need to do. You need to try the spirit of your men, and in that way to inspirit them to carry on until victory.

神对他说,"你需要尝试去鼓舞部下的军心,以此来激励他们坚持下去,直到取得胜利

耶鲁公开课 - 古希腊历史简介课程节选

That's all you really need.

这才是你所真正需要的。

麻省理工公开课 - 电影哲学课程节选

You need to know if it's an equilibrium, and you also need to know how many components you have in your system So, a glass of ice water with an ice cube in it, which is a heterogeneous system, has only one component, which is water, H2O.

要知道它是不是平衡的，你还需要知道,你的系统中有多少组分,一杯放了冰块的水，虽然它是个非均匀系统，但它只有一种组分，那就是水。

麻省理工公开课 - 热力学与动力学课程节选