For example, someone who likes to spend a lot of time sitting or lying down while watching television is sometimes called a couch potato.

VOA: special.2010.03.28

So sometimes,it's something in the text itself that may have prompted someone to think that.

有时候书里的一些内容,会让人产生这样的想法。

耶鲁公开课 - 新约课程节选

So literary can sometimes be very abstract like mathematics, and therefore, if someone says make me a movie, showing me what the square of minus two means that is going to be a challenge.

文学有时候也可以很抽象,像数学，因此如果有人说,给我做一部电影吧,给我展示一下负二的平方,那将是一个挑战。

麻省理工公开课 - 电影哲学课程节选

And I find myself baffled by some of the consternation about Sarah Palin sometimes because I find her to be a pretty compelling figure and someone obviously who resonated very strongly in that room in Nashville."

VOA: standard.2010.02.09