has come to challenge the resident alpha male. 前来挑战这块领地的雄性首领

6. but for the bold, this is a world of surprising opportunity.
   但对于勇者来说 这是一个充满奇妙机遇的世界
7. Jodhpur, India.
   印度 焦特布尔市
8. A gang of bachelor male langurs
   一群单身的雄性长尾叶猴
9. has come to challenge the resident alpha male.
   前来挑战这块领地的雄性首领
10. This alpha rules over a valuable urban territory.
    他统治着这片珍贵的城市领土
11. But maintaining dominance here is a constant struggle.
    但维护权威是一场长期的斗争
12. The bachelors have united to try and overthrow him.
    单身雄猴们联合起来试图推翻猴王

来自《行星地球 第二季 第六集 Planet Earth S02E06 城市》第 9 行