I have spent my whole life slaving away, it's time for me to take a break and see some of this great country.
我的一生都在忙碌中度过的,现在是休息的时候了,也是去游历这个伟大国家的时候了。
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此,尽管制造这些工具的人的骨头早已荡然无存,但远古时代的石头工具却保存了下来。