It would have a certain koine to it; that is, a Greek overlay, over what may be also be there, the original indigenous kind of cultures and languages.

有共同语;,即古希腊文化为主，然后才是，本土文化和语言。

耶鲁公开课 - 新约课程节选

then you have to understand, you know, their language and also the cultural differences too

然后你必须理解，他们的语言和文化差异，

学习外语的重要性 - SpeakingMax英语口语达人

Aren't there people who weren't born within a culture and grew up and who never really spoke a language though they were physically normal?

存不存在这样一种人,他们在一种文化下出生和成长,但却从未说过一种语言,尽管他们在生理上是正常的

耶鲁公开课 - 心理学导论课程节选