The groups spoke different languages, so they developed Chinook Jargon to communicate with each other.

VOA: special.2009.12.02

What Alexander had wanted to do was to take all these different peoples, who spoke different languages and had different customs, and use a Greek layer to sort of unite his empire overall.

亚历山大的理想是，让所有说不同语言，不同习俗的民族，用一种希腊文化统一帝国。

耶鲁公开课 - 新约课程节选