Their documentation can be used in the future as a study tool and for language protection efforts,if needed.

VOA: special.2009.12.02

If it is a lab it will include the lab instructions and often all the tools if there are software tools that are needed for that lab.

如果是实验室，将会包含实验指导,如果需要软件工具的话,还会提供工具。

麻省理工公开课 - 媒体、教育、市场课程节选

and I knew if I wanted to be good, as good as I wanted to be, I needed to come here.

而且我知道，如果我想变得更好，变得和我想的一样好，我就得到这里来。

和纽约的留学生 - SpeakingMax英语口语达人

He said the soil improvements are needed "if we are to reduce poverty and feed growing populations."

VOA: special.2009.01.20

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

But the lending organization warns that strong policies to supervise and support the financial system are needed if the world economy is to fully recovery.

VOA: special.2009.04.24

Partly because I think it's a good exercise, but also I don't want this class to be a class where you sit there, with your cup of Willoughby's coffee if needed to keep awake, and you watch me solve models because that's not how you learn.

一方面是由于我认为这是个好的锻炼机会,此外,我也不希望这个课程,变成你们坐在这,用威洛比咖啡来保持清醒,一边看我解决问题,因为你们不应那样学习

耶鲁公开课 - 博弈论课程节选

Radiologists say patients should ask their doctors whether tests using radiation are needed, and,if so, ask for the lowest dose possible.

VOA: standard.2010.01.30

Treasury Secretary Timothy Geithner told ABC television's "This Week" program that the Obama administration is prepared to provide the financial help needed, if it is convinced that carmakers will emerge from restructuring stronger and more competitive.

VOA: standard.2009.03.30