"The thing about clay is every culture knows clay, because they use it.

VOA: special.2009.09.09

Every study I know of, and I suspect every one John knows, about learning, stresses that students learn best when they take notes Ironically, even if they never look at them.

我知道的所有有关于学习的研究，还有我假设John知道的那些，都证明学生在自己做笔记的时候学得更好,讽刺的是即使他们永远不看那些笔记。

麻省理工公开课 - 计算机科学及编程导论课程节选

But experts say no-one knows how large the world stockpile of nuclear material is because not every country reports what it's producing.

VOA: standard.2010.04.06

"This one has been blooming for awhile,beautiful." He knows every plant, its health,awards and history.

VOA: standard.2010.02.21

"It's very popular," "Every single person knows Michael Jackson's name.

VOA: standard.2009.06.26