In very severe cases, it can even defile some common objects, and in those cases, the source of impurity might have to be isolated or excluded if necessary.

在一些非常严峻的情况中，它会玷污一些普通的事物，在这种时候，不洁之源,也许只能被孤立，严重的话需要驱逐。

耶鲁公开课 - 旧约导论课程节选

Perhaps the most common it would be to say "I must".

最常见的用法就是“I must”。

Must 课堂 - SpeakingMax英语口语达人

It's an example of a very common tool that's going to be really useful to us, not just for doing search, but for doing a whole range of problems. That is, in essence, the template the describes a log style algorithm.

不仅仅是做搜索,还可以解决一整类问题,本质上，这个模板就描述了,对数形的算法,我们一会再回来。

麻省理工公开课 - 计算机科学及编程导论课程节选

Again, your common sense tells you, "Look, you are pulling something whose effective mass seems to be 5, the answer is 2."

你的常识会又一次告诉你,"你在拉一个相当于 5 千克的物体,所以加速度是 2 "

耶鲁公开课 - 基础物理课程节选

You must love loyal advisors and servants, whether they be foreigners or our own people, and spare no effort to serve the common good."

你一定要热爱俄国那些忠诚的大臣和臣民,不管他是来自外国还是国内,同时你也必须不遗余力地为公共利益服务"

耶鲁公开课 - 欧洲文明课程节选

It must be small enough to be governed by a common language of justice.

它必需小到,能由共同的正义语言所统治。

耶鲁公开课 - 政治哲学导论课程节选

Now, egocentrism has a meaning in common English which means to be selfish.

自我中心这个词在如今的日常英语里,是自私的意思

耶鲁公开课 - 心理学导论课程节选

These are going to be fairly common-sense definitions, but they're important, and when you get to a problem set, really nailing down what the system is, not more, nor less, in terms of the amount of stuff, that's part of the system, it's going to be often very crucial.

这些是,很常识性的定义，但是很重要，当你要解决问题时，务必要搞清楚系统是什么，它包含多少物质，不能多也不能少，这往往,是非常重要的。

麻省理工公开课 - 热力学与动力学课程节选

So this 2 is going to be a common mistake.

所以2将成为一个共同错误。

哈佛公开课 - 计算机科学课程节选

This is less of a problem in modern life then it used to be, but because things are supplemented and fortified-- overly so in some cases-- but still the deficiencies are less common then they used to be.

相比过去,这在现代社会中已不太多见,因为如今很多食物有人工添加的微量元素,有些甚至是过度添加了,但相比过去,缺乏微量元素已不那么常见了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And I haven't said yet, how do I get that collection, but you could certainly conceptualize that, if I had that collection, that would be nice thing to do. That is a more common pattern.

也可以这么来操作,这是个更常用的模式,这基本上也就意味着，对于某些数据的集合,我想要一个循环机制。

麻省理工公开课 - 计算机科学及编程导论课程节选

And I was talking about the fact that for Deuteronomy the election of Israel, God's election of Israel means or entails the idea that Israel is a holy people, holy in the sense of separated to God that root meaning of holiness which means to be separated from the common or the ordinary.

我上次提到了《申命记》中的一个事实,以色列被选择，上帝选择以色列意味着,以色列是神圣的民族，对于上帝他们是分离的,这便是神圣的根本意义,意味着与一般和普通分离。

耶鲁公开课 - 旧约导论课程节选

So, it could be very interesting for all of us to have issues to discuss in class, and quite often some questions are very common and your classmates will be grateful to you that you brought it up.

所以,大家一起在课堂上讨论一些问题,这会非常有意思,还有些时候,你们的问题很普遍,而你的同学会很感激你提出了这个问题

耶鲁公开课 - 基础物理课程节选