President-elect Lincoln traveled by train from his home in Illinois to Washington,D.C.

VOA: special.2009.07.30

So I could be 10 km from home, I could be 0 km from home, or I could be -10, if I'd gone two steps to the left.

我有可能距营地10公里,也可能是0公里,也可能是 -10,如果我两次都是向左的话

耶鲁公开课 - 基础物理课程节选

In 2008,the Supreme Court ruled that the Second Amendment protects the right to keep and bear arms for the purpose of self-defense, striking down a Washington,D.C.law that banned the possession of handguns in the home.

VOA: standard.2010.06.29