如果不能说在人类文明开始之前人们就学会制造乙醇，那这也是人类文明刚刚出现就有的事了。
People have known how to make ethanol since the dawn of civilisation, if not before.
人类文明的建立，是从砍伐原始森林开始的。
The establishment of mankind's civilization, from chop down the primary forest beginning.
只是在女人们创造了农业以后，男人们才建造了乡村、城市，开始了人类文明。
They built villages and cities, and began civilization only after women invented agriculture.
货币是从人类文明的某个阶段开始出现的。
货币是从人类文明的某个阶段开始出现的。
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