Newer drugs attempt to suppress only one small part of the immune system, not all of it.

VOA: special.2009.04.14

In the American political system, whoever wins the most popular votes in a state usually gets all the electoral votes of that state.

VOA: special.2010.03.11

In the American presidential system, whoever wins the most popular votes in a state usually gets all the electoral votes of that state.

VOA: special.2010.03.04

We would see all other taxes ended before we surrender any part of the protective tariff system."

VOA: special.2010.05.27

But people of all opinions feared that the president was trying to destroy the careful system of checks and balances in the federal government.

VOA: special.2011.04.21

Of course,with signers,their first language has no written system at all, just hand gestures.

VOA: special.2011.04.13

The electric system is unable to offer all the power needed in an area.

VOA: special.2009.11.15

These are all influenced by the gravity of the solar system's largest planet.

VOA: special.2011.02.09

Dr.Newman says the diagnostic test can be performed at all levels of the health system, including community settings.

VOA: standard.2010.03.09

The government has called for improving the justice system, addressing abuses by all sides, and boosting the economy of the impoverished region to bring peace.

VOA: standard.2009.08.31

Marchers from all walks of life were united in their belief that the current global economic system was simply not working and change was urgently needed.

VOA: standard.2009.03.28

But things are starting to change. New legislation that's been introduced in the U.S.Congress would require all states to implement what's called a "Graduated Driver Licensing" system.

VOA: standard.2010.06.24

"A lot of people have health insurance, and yet they believe that the system has all kinds of problems and they would like to see major reform happen.

VOA: standard.2009.07.31

"Now they are checked by Interpol. Before we did not have a communications system that allowed information to be exchanged rapidly around the world with all of our countries.

VOA: standard.2009.11.09