One authoritative source that has collected data from all over the world, the Ethnologue, listed the total number of languages as 6809 [15].
一个搜集了全世界数据的权威性刊物《世界语言数据库》列出的数目为6809。
One authoritative source that has collected data from all over the world, the Ethnologue, listed the total number of languages as 6809 [15].
一个搜集了全世界数据的权威性刊物《世界语言数据库》列出的数目为6809。
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