But having once accustomed themselves to pastoral life in the grassy plains of the rivers, these barbarians of the middle period would never have dreamed of returning willingly to the native forests of their ancestors.

• 反之，一旦这些处于中级阶段的野蛮人习惯了游牧生活以后，就永远不会想到从水草丰美的沿河平原自愿地回到他们的祖先居住过的森林区域去了。