Now his work has earned him this year's World Food Prize from the World Food Prize Foundation in Des Moines,Iowa.

VOA: special.2009.06.16

It's not a full-blown language like american sign-language or langue des signes quebecoise but it's a language nonetheless, with words and syntax and phonology.

这种语言并不像美国手语,或加拿大魁北克手语那样成熟,尽管如此,这种语言依然拥有词,语法和语音

耶鲁公开课 - 心理学导论课程节选