每日听写9.29初级人类与动物

But the man can not make any progress in this work without tools;
如果没有工具，在原始生存环境下，人类不会获取任何进步；
he must provide himself with an ax even before he can cut down a tree for its timber;
当原始人为获取木头而砍伐树木前，他必须准备刀斧之类工具；
whereas these animals form their burrows, their cells, or their nests, with no other tools than those with which nature has provided them.
而动物打算挖建洞穴、筑造蜂巢、或垒搭鸟窝，无法利用自然界物件造出可供自己使用的工具。
In cultivating the ground, also, man can do nothing without a spade or a plow;
如果没有木锹或铧犁，人类无法耕作或翻整土地；
nor can he reap what he has sown till he has shaped an implement with which to cut down his harvest.
甚而无法收获播种的庄稼，除非他事先做出某种可以收割庄稼的工具。
But the inferior animals provide for themselves and their young without any of these things.
然而，低级动物无法为自己或后代制造任何劳动工具。
Now for the second distinction. Man, in all his operations, makes mistakes; animals make none.
现在，我们来谈谈第二个差异。就人类行为举止而言，凡夫俗子错误在所难免；