But such fast trains would take a long time to put in place in the United States.

VOA: special.2011.02.11

Acute pain happens fast and usually lasts a short time.

VOA: special.2009.02.10

That said,we're still not going anywhere fast." Despite an $8,000 tax incentive for first time home buyers, sales of existing homes have declined two months in a row.

VOA: standard.2010.03.02