The later species all depend on the preparations of the earlier one, for the actions of the zebra alter the vegetation to suit the stomachs of the wildebeest, topi, and gazelle.
后来的物种都依赖于早期物种的准备工作，因为斑马的行动改变了植被，以适应角马、黄羊和瞪羚的胃。
Drink the blood of wildebeest.
喝牛羚的血。
Flocks of, say, starlings or herds of wildebeest do not count as real societies.
