to gain the chimps' acceptance. 花了不少时间

355. It's the first time that we've been able to see at their level
     这是我们第一次能在同一个高度上
356. while they're feeding.
     观察它们进食
357. For the crew, it has taken a long time
     对于摄制组来说 让黑猩猩接受自己
358. to gain the chimps' acceptance.
     花了不少时间
359. But, in fact, the chimps here have shown that they can
     但事实上 这里的黑猩猩证明它们可以
360. respond quickly to the presence of people.
     对人类的存在做出迅速的反应
361. Chimpanzees are highly intelligent.
     黑猩猩智慧程度很高

来自《行星地球 第三季 第五集 Planet Earth S03E05 森林》第 358 行