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And as for the bananas, researchers also found a high percentage of fossils from banana plants in sediment samples dating from about 7,000 years ago,
至于香蕉，研究人员还在距今7000年前的泥沙样本中发现了很集中的香蕉植物化石，
proof the bananas were deliberately planted, because where bananas grow naturally the concentration of the plant fossils is lower.
证明香蕉是被故意种植的，因为在香蕉自然生长的地方，植物化石的集中率较低。
Bananas don’t naturally grow so densely.
香蕉不会自然生长得那么密集。
As a matter of fact, recent genetic research, genetic comparisons of banana species,
事实上，最近的基因研究，对香蕉品种的基因对比，
suggests that the type of banana grown in New Guinea was domesticated there and then brought to Southeast Asia.
发现生长在新几内亚的香蕉的品种是在那里驯化的，然后才被带到了东南亚。
So, not sure where I’m going with this?
不知道我要用这个表达什么？
Well, usually, we expect to see that certain social changes are brought about by the development of agriculture,
通常，我们期望看到某些社会变化是由农业的发展引起的，
structural changes in the society like rapid population growth, different social classes.
社会中的结构变化，比如人口快速增长，出现不同的社会阶级。
But New Guinea, it’s largely unchanged.
但是新几内亚很大程度上保持了不变。
It’s remained an egalitarian and rural society, so what does that tell us about the usual assumption?
它仍是一个平等的田园社会，那关于平常的设想，这又告诉了我们什么呢？
