World leaders agreed this week to protect all nuclear materials within four years to stop the possibility of nuclear terrorism.

VOA: special.2010.04.17

They're focused on beyond that and all the materials and all of the things that could dramatically change the world.

而关注于很久以后,所有的材料,以及所有可以极大程度改变世界的事物。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

"The Purdue Online Writing Lab is a sizeable collection of workshops,worksheets, instructional materials in both English language and in various genres in which students and people working in the world are expected to write."

VOA: special.2010.02.11