Walking is safe. And,it is said be to as valuable for one's health as more intense forms of exercise like jogging.

VOA: special.2010.06.08

"When the feces is sanitized, all the pathogens are inactivated and killed, it is a valuable fertilizer.

VOA: special.2010.03.15

In poker and most card games, the ace is the highest and most valuable card.

VOA: special.2009.11.22

It is an extremely valuable place to study ancient animals.

VOA: special.2010.04.07

"We think every single day is very valuable.

VOA: special.2009.12.21

It so happens that the skin is very valuable for the shoe industries in Italy, for example.

VOA: standard.2010.01.31

It seems Pandora is the only place in the galaxy with deposits of a valuable new energy source worth untold millions back on Earth.

VOA: standard.2009.12.19

"Supporters of Iran or affiliates such as Hezbollah or Hamas, they quickly have picked up on the signal that Iranian influence is perhaps not as valuable as Turkish influence."

VOA: standard.2010.07.26

Their mobile phones could save them a trip. So,while it may not be good for plowing a field or harvesting vegetables, the mobile phone is becoming one of a farmer's most valuable tools.

VOA: standard.2010.07.28