Stomach cancer has become more common in some areas where food is often not stored in a cold place.

VOA: special.2009.01.13

That's something that we see again and again and it's remarkable how little common sense is often applied.

这些技能是我们司空见惯的,当时很奇怪人们一般却没有注意到它们。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

OK. The other thing I want to say here, is that this style of program we just wrote is actually a very common one. And we're going to give it a nice little name, often referred to as exhaustive enumeration.

好，另外一件我想说的事情是，刚才我们写的代码的风格,是非常普通的,我们会给这个风格一个名字，通常是被称为详尽的列举。

麻省理工公开课 - 计算机科学及编程导论课程节选

Such needle sticks are common. But a recent study found that medical students often fail to report them.

VOA: special.2010.02.10

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

The most common one and the one we're going to use, is what's often called big Oh notation.

也就是我们即将用的方法,就是通常被叫做大O的方法，它叫大O并不是因为。

麻省理工公开课 - 计算机科学及编程导论课程节选