The antivenom that cures the bite of one kind of snake may not be effective for another kind of snake.

VOA: special.2009.05.05

Just be careful not to let the cat out of the bag, or someone may leave you holding the bag.

VOA: special.2009.01.25

But the extent to which TV may or may not be to blame is a question that the study leaves unanswered.

VOA: special.2009.02.11

Recently, researchers at the University of Colorado School of Medicine found that the effects of the surgery may not be long-lasting.

VOA: special.2011.07.05

Farmers may not be able to prevent natural disasters, but they can at least try their best to reduce losses.

VOA: special.2010.02.09

This time, with the economy in a bad recession, some guests may not be as wealthy as they were.

VOA: special.2009.01.19

If there is a large supply of seeds, then hand-operated presses may not be enough to support a business.

VOA: special.2009.09.29

But protecting plants and trees in the garden may not be too difficult if you follow a few suggestions.

VOA: special.2010.01.12

We must not be enemies. Though emotion may have damaged them, it must not break our ties of love."

VOA: special.2009.07.30

If not,she says, they may be at increased risk for age-related broken bones years after their visits to space.

VOA: special.2009.03.10

Early identification of the disease may be difficult because many infected people do not show any immediate symptoms.

VOA: special.2010.01.04

Sometimes a person may be upset because he does not have something as nice as a friend has, like a fast new car.

VOA: special.2009.11.15

This is when a student gets experience in a position that may or may not be paid.

VOA: special.2009.06.25

Joe Rosenthal's photograph seemed to say: the battle may not be over, but we are winning.

VOA: special.2010.05.31