But,Steve Coll at the New America Foundation says the brother remains a problem, and Washington is just giving him more time to shape up.

VOA: standard.2010.05.28

The second law is going to define entropy, and is going to tell us about the direction of time, something that conceptually we, clearly, understand but is going to put a mathematical foundation on which way does time go.

第二定律定义了熵，它告诉我们,时间的流向，虽然我们清楚地,知道这个概念,但还是要为时间流动的方向,建立一个数学基础。

麻省理工公开课 - 热力学与动力学课程节选

Bo Fishback,spokesperson for Kauffman Foundation, He encourages young people to join programs like Junior Achievement and says now is the best time to go into business.

VOA: standard.2009.12.04