The males are fighting to win territories. Those that hold the best are more likely to attract a herd of females. 雄驴在争夺领地 最有实力的也最有可能得到雌驴的青睐

167. So long as grass can survive,
     只要草能够活下来
168. so can grazers.
     食草动物也能活下来
169. Wild ass.
     藏野驴
170. The males are fighting to win territories. Those that hold the best are more likely to attract a herd of females.
     雄驴在争夺领地 最有实力的也最有可能得到雌驴的青睐
171. It's a frisky business.
     其实是闹着玩的
172. That counts as a victory,
     那样算是胜了
173. but he can't assume the females will actually turn up.
     但却没有看到雌驴的出现

来自《行星地球 第一季 第七集 Planet Earth S01E07 伟大草原》第 170 行