But Tilford does not believe Europe is ready,or willing,yet to undertake fundamental economic reforms he thinks are needed to right these imbalances.

VOA: standard.2010.02.26

It's not so much a double standard is needed; it's a tie.

无关什么双重标准,双方旗鼓相当

耶鲁公开课 - 死亡课程节选

that it's not needed that you don't want whatever it is near you or around you

你不需要这些东西,甚至当它们出现在你身边时你也不想得到。

I don't care课堂 - SpeakingMax英语口语达人

They say that is needed to make sure the current crisis does not happen again.

VOA: standard.2009.04.01

The important concept is that, while every cell in your body has the capability of making all the proteins that are needed throughout your body, not every cell is doing that at any given time.

这里面有一个重要的概念,就是尽管你身体里的细胞都,有能力制造出,全身上下所需的所有蛋白质,但不是所有细胞每时每刻都在这么做

耶鲁公开课 - 生物医学工程探索课程节选

the Republican leader in the House of Representatives, John Boehner of Ohio, said the initiatives announced by the White House do not go far enough and what is really needed is a set of new economic policies.

VOA: standard.2010.01.25

So if you were starving and you really needed energy, that is your body needed calories, it needed usable energy in order to survive, the broccoli's not going to do you much good and the brownie would be terrific.

假如你快饿死了,实在需要能量,那是你的身体需要卡路里,身体需要可利用的能量去支撑,花椰菜这时就没多大帮助了,布朗尼蛋糕才是首选

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"It would be unethical for us to turn our back on these people and not conduct the research that is so desperately needed to develop the drugs to treat these diseases and the vaccines to prevent them in the future."

VOA: standard.2010.02.16

So, it turns out that n is not the only quantum number needed to describe a wave function, however. There's two more you can see come out of it.

事实上，n不是描述一个波函数需要的,唯一的量子数，你们可以看到，还需要，两个量子数。

麻省理工公开课 - 化学原理课程节选

"We are able to do these transplants locally. We have got the expertise in this country and the only thing that we needed to do is to publicize and tell them, 'Yes,you do not have to spend all the money and go outside there, leave the comfort of your country and the beloved ones to have the transplants outside there - we can do it here."

VOA: standard.2010.05.30