Others take several days or weeks to enjoy the park.

VOA: special.2009.01.07

But some go for weeks or even months.

VOA: special.2009.08.31

Cluster headaches occur in cycles: sufferers can experience several headaches a day for weeks or even months on end.

VOA: standard.2009.12.17

President Obama says the Haitian earthquake relief effort will not be measured in days or weeks, but in months and even years.

VOA: standard.2010.01.16

Jane says she does not use any preservative chemicals in her products, so they only last about two or three weeks.

VOA: special.2010.02.17

Engineers thought the new nuclear submarine would be able to stay under water for two weeks or more.

VOA: special.2010.06.11

After a few weeks, increase your time to fifteen or twenty minutes, and increase the number of days.

VOA: special.2010.06.08

While the adults go out at night for food, the young bats hang out in the cave for four or five weeks.

VOA: special.2009.12.07

The disease develops more quickly over a few weeks or months in people infected with trypanosoma rhodesiense.

VOA: special.2010.01.04

Anders Wilhelmson says the sanitation process can take as little as a couple of hours or as long as two to four weeks.

VOA: special.2010.03.15

Later,she takes the soap out of the mold and places it in a storage area to cure or dry for four to six weeks.

VOA: special.2011.03.09

Planting them every two or three weeks would provide a continuous harvest into the fall.

VOA: special.2009.02.17

Planting them every two or three weeks will provide a continuous harvest into the fall.

VOA: special.2010.03.02

But it would keep the Confederate armies active for a few more weeks or months.

VOA: special.2009.12.17