Many schools require all first-year students to take an alcohol prevention and education program, often given online.

VOA: special.2009.04.02

It used to be that government officials were all picked by political patronage and they, very often, were incompetent.

过去政府官员,通常都是走后门进来的,他们经常都是不称职的。

耶鲁公开课 - 金融市场课程节选

And that's not possible in all parts of the world, not everybody has that opportunity to interact with medical professionals that often.

而这不可能在世界各处都能实现,并不是每个人都经常有机会见到医生的

耶鲁公开课 - 生物医学工程探索课程节选

And they often don't have to till at all, which is better for the soil.

VOA: standard.2010.04.15

But when you start writing programs, especially when we get to web-based stuff where you want -- to check the user's input -- is it valid, is it an email address, -- and all these different scenarios -- it's actually often useful to be able to just enumerate them or rattle them off using this switching construct instead.

但是当你看是写程序时，特别是当我们,使用基于网络的东西，你想要,检查用户的输入-,它是合法的吗？它是不是一个电子邮箱地址？,所有的这些场景-,实际上它常常是有用的，当你用枚举结构列举它们,或者用它来快速地来说出它们。

哈佛公开课 - 计算机科学课程节选

With I should say the possible exception of the economists who often will believe that economic motives and transactions provide the key to all possible human behaviors.

知识分支当中,可能的例外是经济学家,他们常认为,是经济动机与交易,决定了所有可能的人类行为。

耶鲁公开课 - 政治哲学导论课程节选

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

People in serious accidents with their paralysis as the result of the accident, very often, usually-- again, this is all the average-- go back to their base level of happiness: if they are happy before, they will be happy one year after; if they are unhappy, they will remain unhappy.

遇到严重意外的人,意外导致瘫痪，经常地，一般性的…,再次强调，这是平均而言-,都会恢复到基础幸福水平：,他们以前是快乐的，一年后，他们也会快乐;,如果不快乐，将维持不快乐。

哈佛公开课 - 幸福课课程节选

They're very deep and held very tightly to the nucleus, so we can often lump them together and instead of writing them all out separately, 3s1 we can just write the equivalent noble gas that has that configuration.

它们非常深,被原子核吸得很紧，所以我们通常可以把它们混在一起,而不是把它们写开，我们可以写出氖然后3s1所以,或者任何的一个。

麻省理工公开课 - 化学原理课程节选

Programmers often write TODO with no space, all caps like this which means "I have to do something here."

程序员通常写TODO不使用空格，像这样的大写意思是“这里我需要做些事情“

哈佛公开课 - 计算机科学课程节选