He also needed time to organize a supply system to get to his forces the guns, bullets,food, and clothing they would need.

VOA: special.2009.08.27

I think we need a whole electricity distribution system, which is more efficient and bigger, more flexible and more appropriate than we have.

我们需要一个更加有效,更加庞大，更加灵活的配电系统，的配电系统。

斯坦福公开课 - 经济学课程节选

It turns out that when you're talking about macroscopic properties of matter, you don't need very many variables to describe the system completely thermodynamically.

实际上,当你谈及物质的宏观性质时，你并不需要很多变量才能从热力学上,完整地描述这个系统，’

麻省理工公开课 - 热力学与动力学课程节选

For several years, many people had recognized the need for changes in the banking system.

VOA: special.2010.09.23

So, if we want to go from that stable state to that less stable state, we need to put in a certain amount of energy to our system, that difference between the free electron and the electron bound to the metal.

所以，如果我们想使电子,从稳态到达不够稳定的状态，我们需要引入一定数量的,能量到系统中，即自由电子和束缚于金属的,电子的能量差。

麻省理工公开课 - 化学原理课程节选

"The first thing is corruption, the education system, and we need more universities to be built in Namibia,"

VOA: standard.2009.11.28

By "Present," We mean-- we will pick some part of the universe we want to study and we will ask, "What information do I need to know for that system at the initial time, like, right now, in order to be able to predict the future?"

我们所说的"现在",意思是,我们会选取客观世界某一部分来进行研究,然后我们就会问,我们需要什么信息去了解,初始时刻的系统,比如现在,进而能使我们能够预测未来呢

耶鲁公开课 - 基础物理课程节选

We need a political system that divides the insurgency and brings those that are willing to live within the constitution within it.

VOA: standard.2009.10.21

That's why all these arguments that we all get into these days about third-party political candidates what do we really need in our political culture, what would break apart the stagnation of our two-party system, if that's what people want or put more directly, will Michael Bloomberg run or not?

这就是我们今天为何面对这些争论,关于第三方党派的候选人,也就是我们的政治文化中究竟需要什么,什么能打破我们两党制停滞不前的现状呢,如果这是人民所愿,或者更直接的说,迈克尔.布隆伯格的做法行得通吗

耶鲁公开课 - 美国内战与重建课程节选

"Sometimes people need to take time to adjust to a new place, a new culture,a new system,"

VOA: standard.2010.07.22

Now that's changing the more years that pass the more of you have 64-bit computers and the more servers have many, many gigabytes of RAM and so you need actually 64-bits, but for now let's assume a common system whereby a pointer just by definition of the homework is 32 bits.

现在计算机也在改变，也有更多的人,使用64位的计算机，更多的服务器有很多，很多G的内存，那样你就需要64位的，现在我们假设通常的系统中,根据家庭作业所定义的，一个指针为32位。

哈佛公开课 - 计算机科学课程节选

"I need your help,doctors, because to most Americans, you are the health care system,"

VOA: standard.2009.06.15

This notation gives you everything you need to know about the system.

这种记号可以提供给你,关于这个系统的所有你需要知道的信息。

麻省理工公开课 - 热力学与动力学课程节选

Mr.Zuma said the global economic crisis highlighted the need to reform the international financial system and multilateral lending groups like the World Bank and International Monetary Fund.

VOA: standard.2009.06.10

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

People here say Haiti will need help to rebuild its educational system.

VOA: standard.2010.02.01

So you don't want to put in a negative energy, that's not going to help you out, you need to put in positive energy to get an electron out of the system. So that's why you'll find binding energies are always negative, and ionization energies are always going to be positive, or you could look at the equation and see it from there as well.

因为这对电离没有帮助,你需要一个正的能量,使得电子脱离这个系统,这就是为什么你会发现,结合能总是负的而电离能总是正的,或者你们看这个方程也可以发现这一点。

麻省理工公开课 - 化学原理课程节选

"We need to learn from this episode and act quickly to fix the flaws in our system because our security is at stake and lives are at stake,".

VOA: standard.2009.12.29

His latest statement focused on the need to correct flaws in the aviation security system that allowed the would-be bomber to board the Detroit-bound flight in the first place.

VOA: standard.2009.12.29

"The report reconfirms that we still need a strong regulatory system to ensure that the technology is not squandered away by poor management practices by both farmers and seed developers."

VOA: standard.2010.04.15

Secretary Geithner told the House Financial Services Committee Thursday that it has become clear there is a need for better and tougher regulation in a complex and flawed financial system.

VOA: standard.2009.03.26

"You really need system-wide Skolkovas - Silicon Valley - otherwise it ends up just like under Catherine the Great when they imported a lot of German tradesmen and planted them in various settlements - but they were fairly self-contained.

VOA: standard.2010.06.18

Lawmakers finalizing Ahmadinejad has said the U.S.foreign relations budget for the next two years cited the test as yet another example of defiance by Tehran that they said further highlights the need to support Israel's missile defense system.

VOA: standard.2009.05.20

"We are committed to helping more Americans to get the health care coverage they need, not through nationalizing the system with a costly government-run plan, but rather by supporting free-market incentives to help small business owners to make coverage more accessible and affordable,".

VOA: standard.2009.08.08