Mark Johnson's idea, "Playing for Change," is now a CD,a DVD, a documentary film, a nonprofit organization and a company.

VOA: special.2009.07.31

I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.

我不知道在此刻这里是什么,所以我画一个问号，因为那块内存可能在之前,为其它的目的而使用过，但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。

哈佛公开课 - 计算机科学课程节选

And forty percent thought they should get a B, the second highest mark, just because they did most of the reading for class.

VOA: special.2009.03.12

Mark LaFramboise is a book buyer for Politics and Prose.

VOA: special.2011.07.13

The national security challenge comes at a difficult time for Mr.Obama, who later this month will mark his first year in office.

VOA: standard.2010.01.06

The holidays mark the beginning of a new year for Jews.

VOA: standard.2009.09.26

What grew as the pet project of Mark Zuckerberg, when he was a student at Harvard,has exploded - gaining eight new users ever second for the past 15 months.

VOA: standard.2010.07.23

Long-time Murtha aide and Democrat Mark Critz won that seat Tuesday in a conservative district that voted for Republican John McCain over Democrat Barack Obama in the 2008 presidential election.

VOA: standard.2010.05.19

"So there's a big question mark,". "Who is responsible for such a heavy increase of production and export of the narcotics, because all of the areas where this cultivation is underway are controlled by NATO forces in one way or other?" Akhonzadeh said this reality cannot be ignored and called for new ideas,strategies and methods to tackle the problems of Afghanistan.

VOA: standard.2009.03.27