To hear an oriole sing May be a common thing Or only a divine It is not the bird Who sings the same unheard, As unto crowd.

VOA: special.2010.07.18

Now for now, its hard to argue that this is a good thing but it's a common thing.

现在，不好争论这是一个好事情,但这是一个通常的事情。

哈佛公开课 - 计算机科学课程节选

It's a course which is absolutely fascinating in all sorts of ways, and it has one very important thing in common with literary theory: that is to say, literary criticism is, too, perpetually concerned with the definition of literature.

这门课在各方面都很棒，而且它与文学理论有一个重要的相似之处：,即文学评论也永远会关注，文学的定义问题。

耶鲁公开课 - 文学理论导论课程节选