"But the president has been clear the Administration has been clear that there's a need for demonstrable progress on a short order."

VOA: standard.2009.09.04

It is generally believed that in order for that to work you need the round ship delays in milliseconds, in 100 milliseconds, in 200 milliseconds, not 8s.

人们一般相信，为了运行正常,总延迟需要控制在毫秒的单位，在100毫秒，200毫秒以内，而不是8秒。

麻省理工公开课 - 媒体、教育、市场课程节选

Step three in our Lewis structure rules is to figure out how many electrons we would need in order for every single atom in our molecule to have a full valence shell.

路易斯结构规则的第三步是,找出让分子中每个原子的价壳层,都排满应该需要多少个价电子。

麻省理工公开课 - 化学原理课程节选

"And I emphasize in particular the need that we have for such troops in order to partner better and mentor the Afghan national security forces as they grow."

VOA: standard.2009.10.23

In order for life to proceed, you need to maintain a constant internal environment.

为了维持生命,人体的内环境需要保持稳定

耶鲁公开课 - 生物医学工程探索课程节选

"But it is an important election in the sense that they need to be free,fair and non violent in order for Macedonia to qualify for certain EU accession membership qualifications."

VOA: standard.2009.03.22

One group of arguments for the existence of a soul says, "We need to posit a soul in order to explain something, whether it's something everyday or something supernatural."

主张灵魂存在的一方声称,我们必须假设灵魂存在,才能解释一些,司空见惯或是超自然的现象

耶鲁公开课 - 死亡课程节选

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

So, for example, we were talking about a threshold frequency as in a minimum frequency of light that you need in order to eject an electron from a metal surface.

举个例子来说，我们谈论的临界频率是,光从金属表面逐出一个电子,所需的最小频率。

麻省理工公开课 - 化学原理课程节选