It is about a sign that is used to represent some words.

VOA: special.2009.03.22

It's not that other thing, but, generally speaking, the point about a sign is that it's not any other thing.

总的来说，这个符号总是清楚的指代，这件事而不是那件事。

耶鲁公开课 - 文学理论导论课程节选

This is a sign of my economic status: I don't have to work. It is middle and lower-class women who do not get to observe purdah in this way.

但这恰好是我经济地位的标志：,我不需要工作，只有中下阶层的女人,才像这样不遵守深闺的习俗。

普林斯顿公开课 - 人性课程节选

One sign of it is a wheezing sound when the person breathes.

VOA: special.2010.06.23

Another way to say that it's going to be less, so you don't get confused with that the fact this is in the numerator here, there is that negative sign so it's less energy but it's a bigger negative number that gives us that less energy there.

另一个方式去说它将会变得很低实用，你们不用在这里的计算器的事实感到迷惑,这里有一个负号实用，它是更少的能量,但它是一个更大的数字,这里了它给了我们更少的能量。

麻省理工公开课 - 化学原理课程节选

Mr.Obama welcomed the Israeli announcement as a sign of progress, but the Palestinians say it is a publicity stunt.

VOA: standard.2009.08.21

It's a good sign that this is logarithmic, and I'm going to come back in a second to why logs are a great thing.

为什么对数级复杂度是个好事情，让我们再来看一个算法,噢，抱歉是让我们再来看两个算法。

麻省理工公开课 - 计算机科学及编程导论课程节选

"But,it is this television that does not want to sign a contract with the Union and does not want to pay royalties.

VOA: standard.2009.08.27

For the Left, it was a sign that the state is strong, powerful, and can be vicious.

左派看来,它标志着国家是强大有力的,同时也可能是邪恶的

耶鲁公开课 - 1871年后的法国课程节选

(TRANSLATION) "It is a clear sign that the United States is taking Russia and its arguments as seriously as their national security considerations."

VOA: standard.2009.09.17

What is a sign? Saussure's famous diagrams make it clear enough.

符号是什么，让我们来看看索绪尔有名的图标。

耶鲁公开课 - 文学理论导论课程节选

"You had a very good feeling for what it was you were all trying to do together and I think that is a sign of a particularly good leader."

VOA: standard.2010.04.21

So you'll see that you have in front of you a legal release form, you have to be able to sign it, and what that says is that we can use you being shown in class.

你们的面前应该有张授权书,授权书的大概内容是,允许我们把你拍摄进来

耶鲁公开课 - 博弈论课程节选

" It is a good sign and it is very quick for a president to receive the Nobel Prize even though he didn't finish a whole year in his term,"

VOA: standard.2009.10.09

Convention, OK, this negative sign is just a pure convention. You just got to use it all the time. If you use an old textbook, written when I was taking thermodynamics, they have the opposite convention, and it's very confusing. But now we've all agreed on this convention, and work is going to be with the negative sign here.

系统对外界做功的符号为负,这就是我们,在本课中的规定，纯粹出于统一符号的需要，有些教科书中，可能会使用相反的符号规定,注意不要混淆了，这门课上,我们将一直使用。

麻省理工公开课 - 热力学与动力学课程节选

Paul Salem,who heads the Carnegie Center for Peace in the Middle East,argues that, despite the current impasse, it is a positive sign that Iraqi political adversaries are discussing their differences in parliament.

VOA: standard.2009.10.26

The very first thing I know is that it's a sign that says "exit."

我最先知道的是这是一个标志，上面写着存在“

耶鲁公开课 - 文学理论导论课程节选

He says it is more a sign that it's taking the military option seriously, now that negotiations with the West appear to be faltering: "There's nothing new about this rocket that should worry the West,"

VOA: standard.2009.12.18

A sign, in other words, is made up of two sides in, as it were, a thought moment: a relationship between that which is signified and that which signifiesit.

所以，一个符号是由两面组成的，想一想，能指和所指,的关系。

耶鲁公开课 - 文学理论导论课程节选

Senator Kerry said the package is intended to be a true sign of friendship for Pakistan, while spokesman Crowley said it creates balance in the U.S.aid program and that it is hard to see how that impedes Pakistan's military.

VOA: standard.2009.10.13

"It is a clear sign that the Tea Party movement has some lasting staying power, that is has an ability to galvanize disaffected voters, and not only did Rand Paul win in Kentucky, but a Tea Party candidate won in a House race in Louisville, defeating another establishment candidate."

VOA: standard.2010.05.19

I think it's the political implications of this missile test that are noteworthy-and that is that Iran views the talks as dead-it doesn't view the talks positively, and now it's bracing for sanctions and quite possibly for war, and this missile test is a sign that Iran takes the military option very seriously and is ready to reciprocate if it's attacked."

VOA: standard.2009.12.18