translation.en: But more importantly, though, in the history of that region, it's served, it's had a real strategic function, and that is, it is the means by which hostile armies on the coastal plain find their way, get up into the mountains and threaten those living in the mountains.
translation.zh: 更重要的是，这片区域在历史上 起着战略性的作用 也就是说，海岸平原上的敌人 可以通过这里 登上山脉，威胁到山里的居民