来自《耶鲁大学开放课程：古希腊历史简介 第5集 第5集》
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to pass without mentioning the significance.那是我的失职 -
Nobody knows anything about it.这一点几乎无人知晓 -
What percentage of Americans do you think worked你们认为在十九世纪末 -
on farms at the end of the nineteenth century?大概有百分之多少的美国人在农场工作 -
Twenty, thirty?二十 三十 -
You better believe it's sixty to seventy percent,你最好猜百分之六七十 -
and the further back you go in American history要是你以后有机会学习美国历史的话 -
the closer it is to ninety and ninety-five percent.你会发现它在百分之九十到九十五之间 -
That's the history of the world;那就是这个世界的历史事实 -
the whole human race has spent the bulk全人类花费了大量的时间 -
of its time farming.用在了农耕上 -
What percentages of Americans那现今多少美国人