But they continue to debate the early evidence of music because few archeological objects exist to prove how music developed and spread.

VOA: special.2009.08.18

So how are we to account for the diversification of languages, the spread of different ethnic linguistic groups throughout the lands of the earth if we all come from one common creative moment, one common ancestor?

所以，如果我们都起源于同一个时刻，来源于,同一个祖先，那又要怎样解释语言的多样性，怎样解释,使用不同语言的族群遍布地球上的所有土地,这一现象呢？

耶鲁公开课 - 旧约导论课程节选

This week,we will tell how people who are lonely can spread that feeling to others.

VOA: special.2009.12.22

Today we will tell about how performers in several countries use rapping to spread messages.

VOA: special.2009.10.14

He estimates rates in his home state could go up by as little as 0.03 percent to as much as 15 percent, depending on how many customers a utility company has to spread the costs across.

VOA: standard.2010.03.23