The paddocks will need water. Some farmers design a path for animals from different paddocks to drink from a common watering place.

VOA: special.2009.01.06

When it comes to differences of human rights and religious practices, so Claims and Conflict, people in different disciplines say "We need stronger laws, we need this, we need that."

当说到人权问题和宗教实践,在各国的不同时，也就是所谓的“冲突中的观点“,持有不同观点的人都会说,“我们需要更完备的法律，需要这个，需要那个“

普林斯顿公开课 - 人性课程节选

You need some of it because some of it gets converted into molecules called phospholipids, and phospholipids are different.

但你也需要一些甘油三酯,因为它们可以转化成磷脂分子,而磷脂又各不相同

耶鲁公开课 - 生物医学工程探索课程节选

She says different countries need different solutions based on location,environment, climate and population needs.

VOA: special.2009.07.28

The reason there are three quantum numbers is we're describing an orbital in three dimensions, so it makes sense that we would need to describe in terms of three different quantum numbers.

我们需要，3个量子数的原因,是因为我们描述的是一个，三维的轨道，所以我们需要，3个不同的量子数,来描述它。

麻省理工公开课 - 化学原理课程节选

We would need a different type of study to say that."

VOA: special.2010.05.26

We need to change to a different business model so that we can come up with better technology, and the better search technology can be appreciated by the market.

公司要改变以往的商业模式,来促进新技术的研发，而且新技术,是受市场欢迎的。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

One may need to watch it more than once to penetrate the different layers of the human condition.

VOA: standard.2010.07.20

But for now all you need to know is - that these four different kingdoms-- one was where we now have Greece, another one was where Syria is, another was Egypt, and then there was another further north, but that's not as important for us.

不过目前你们只需要知道,这四个不同的王国-,一个是当今的希腊，一个是当今的叙利亚，一个是埃及，还有一个在更北面的地方，不过对我们来说不是很重要。

耶鲁公开课 - 新约课程节选

There were about 50 of us, and we had weekly meetings and discussed different things that we would need for our children, like life insurance or child support.

VOA: standard.2009.12.04

You don't need all these different things that There is something about we are moving ourselves, and giving ourselves opportunity that is just literally done at a park.

你不用各种所谓的,我们所做的就是,动起来，给我们自己,与自然接触的机会,而这在公园里就可以做到。

普林斯顿公开课 - 人性课程节选

"We need to realize we are not different from one another;

VOA: standard.2009.12.12

So I think at least in our own case, it's not that I wish things were different, but I know we have to constantly balance and reinforce and build and sort of reinforce the behaviors we need in whatever business at that point in time.

所以我想至少对我们而言，并不是我希望事情能够有所不同就可以的，但是我知道必须不断的作出平衡,并加强，创立，再加强自身,在这个时期不论从事什么都必须这样做。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

Notice if I'm going to have two different sub problems I need to have two base cases here to catch this. And if I only had one it would error out. And as a consequence, I can go off and ask about rabbits. Let's see.

我需要定义两个基础事件来处理它,如果我只有一个基础事件的话就会产生错误,这样我就能够知道到底有多少只兔子了,让我们来看看，在第12个月末,没那么简单，在第二年末兔子就很多了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now the answer seems to me, the only answer I can imagine Socrates and Plato are giving at this point is to say, look, I need a different 3 definition of invisible, not 2 but 3.

我认为答案是，我所能想到的唯一答案是,在这点上苏格拉底和柏拉图,给出的答案是，我需要一个,无形的不同定义，不是2而是。

耶鲁公开课 - 死亡课程节选

So, if we're talking about five different orbitals and we're talking about a ground state atom, we know that we just need to start at the bottom and work our way out up.

因此，如果我们要讨论的是,五个不同的轨道且是属于一个基态原子的话，我们知道，我们只需要从最低的轨道,开始一个一个往上找。

麻省理工公开课 - 化学原理课程节选

And resonance is the idea that sometimes one single Lewis structure does not adequately describe the electron configuration around a given molecule, so instead you need to draw two different Lewis structures to describe that more appropriately.

而所谓共振态,就是有时候一个路易斯结构不足以,完整描述一个给定分子的电子排布，因此这时你需要同时画出两个,不同的路易斯结构来描述它,这样会更恰当。

麻省理工公开课 - 化学原理课程节选

It's kind of ironic that we put this in the same lecture as we talk about atomic radii, which we also call r, but they're two different r's, so you need to keep them separated in terms of what you're talking about.

有点讽刺的是,我们在同一堂课里还讨论过了原子半径，它也是用，r，表示的，但是它们具有不同的意义，因此大家需要注意区分它们,弄清楚我们讨论的是哪一个。

麻省理工公开课 - 化学原理课程节选

What about the fact that-- We said there's a family of arguments, all of which have the general structure, inference to the best explanation, you need souls in order to explain feature F. Plug in a different feature F and you get a new argument.

这个事实怎么样,我们说过有一大类观点,它们有一些共同的结构,有关于这个最佳解释的推论,需要用灵魂的概念,来解释功能特征F,代入一个不同的,功能特征就会得到一个新的论点

耶鲁公开课 - 死亡课程节选

So, you want to give it to them because the biology of children is different than adults, and so you need to make sure it works in that population.

你希望将疫苗分发给孩子们,因为儿童与成人在生物学上不尽相同,要确保疫苗对儿童有效

耶鲁公开课 - 生物医学工程探索课程节选

The reason is that because of the ways that different microorganisms take the ways the different microorganisms reproduce and damage cells and tissue within your body, you need different ways to respond to them effectively.

因为不同的微生物以不同的方式,以不同的方式繁殖,和损害体内的组织和细胞,你需要多种有效的免疫反应来对付它们

耶鲁公开课 - 生物医学工程探索课程节选