The discovery is exciting because it suggests that the building blocks of life may be more common in the universe than scientists had thought.

VOA: special.2009.09.30

Then from these beginnings, engineers transformed life in the twentieth century: a lot of things started in the twentieth century and became common place.

从此开始,工程师们改变了二十世纪的生活,有很多东西在二十世纪发明并得到普及

耶鲁公开课 - 生物医学工程探索课程节选

And this, of course, is common enough in everyday life.

习惯化在我们的日常生活中随处可见。

耶鲁公开课 - 心理学导论课程节选