primates relied on their social intelligence, 灵长类动物依赖于社会智力

126. The rival troop cut their losses.
     敌对狒狒群及时止损
127. But they'll be back.
     但它们会回来
128. To overcome the challenges of a more hostile world,
     为了克服恶劣环境所带来的挑战
129. primates relied on their social intelligence,
     灵长类动物依赖于社会智力
130. a trait that, in time,
     这一特征
131. would lead to one species of primate
     有朝一日会导致一种灵长类动物
132. achieving global domination.
     取得全球主导地位

来自《我们星球上的生命 第一季 第八集 Life on Our Planet S01E08 冰与火的世纪》第 129 行