The voices of Aldrin and Armstrong could be heard in short messages.

VOA: special.2009.07.15

Isn't it interesting how many messages are embedded in that short advertisement.

这么短的广告片却隐含了这么多的信息,是不是很有意思

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Simmons say Havana has long relied on short wave radio to send encoded messages using a system that converts letters into numbers.

VOA: standard.2009.06.06