他们假设，语言多样性一定与历史、文化差异、山脉或海洋分隔人口有关。
They hypothesized that language diversity must be about history, cultural differences, mountains or oceans dividing populations.
他们假设，语言多样性一定与历史、文化差异、山脉或海洋分隔人口有关。
They hypothesize that language diversity must be about history, cultural differences, mountains or oceans dividing populations.
国王的领土都是有限的，或限于山脉河流，或限于风俗习惯的改变，或限于语言的不同。
The dominions of kings are limited either by mountains or rivers, or a change of manners, or an alteration of language.
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