The study found that blood from hair sheep is an excellent substitute.

VOA: special.2009.08.03

"But when you're trying to deal with processes and technical terms on the aircraft, there's no substitute for speaking the same language."

VOA: standard.2009.12.13

We are continuing to challenge the matter in court." Malema said he would substitute the offending words with another phrase, but continue to sing it.

VOA: standard.2010.04.08