"There is increased evidence that it helps shorten the duration of the common cold sometimes even by two to three days."

VOA: special.2011.04.20

Speaking of personal questions, there is an expression people sometimes use when their children ask, "where do babies come from?"

VOA: special.2009.06.28

When the cat's away, the mice will play means people sometimes misbehave when there is no supervision.

VOA: special.2009.09.27

In reality,there is help. Victims of human trafficking can sometimes be granted a special visa that allows them to stay in the U.S.

VOA: standard.2010.05.24