His idea started when he heard two religious workers playing music for free in New York City's underground transportation system.

VOA: special.2009.07.31

In two thousand six, Defense Secretary Robert Gates advised President George W.Bush to base a missile defense system in Europe.

VOA: special.2009.09.19

But he said the nation must not forget the near-collapse of the banking system in two thousand eight without fixing its causes.

VOA: special.2010.04.16

Last year, almost two hundred seventy-five million people visited the national park system in the United States.

VOA: special.2009.09.28

It supervised creation of a system for nations on the edges of the Indian Ocean after the great earthquake and tsunami of two thousand four.

VOA: special.2009.03.17

McCarthy became increasingly critical of the two-party system and traditional politicians, even Democrats.

VOA: special.2009.08.30

Voters in Washington State approved a system like this in two thousand four.

VOA: special.2010.06.12

On Monday,two suicide bombings on Moscow's underground train system killed thirty-nine people.

VOA: special.2010.04.03

The current system has been used since two thousand five.

VOA: special.2009.05.06

The system probably will be completed by two thousand ten.

VOA: special.2009.03.17

And,the Liberal Democrats -- traditionally a marginalized party in what has largely been a two-party system -- are scoring high in opinion polls.

VOA: standard.2010.05.05

That's what the system is for,". North Korea experts suggest two main motivations for recent provocations.

VOA: standard.2009.05.26

There are complaints about the two-tier system of coverage, and some believe that people with private insurance get quicker and better care, and are therefore healthier.

VOA: standard.2009.09.28

In the public health care system, for example, only two hospitals are equipped with dialysis machines, which remove impurities from the blood when the kidneys can not do it.

VOA: standard.2010.05.30