来自《耶鲁大学开放课程：1600年后西方社会的流行病 第7集 第7集》

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  something sometimes referred to as "The Columbian Exchange."
  我们有时候说的"哥伦布交换"
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  That is to say that the European encounter
  指的是欧洲人发现新世界以后
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  with the New World brought about
  带来了
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  the large-scale exchange from one
  大西洋一岸与另一岸
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  side of the Atlantic to the other,
  大规模交换
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  and in the reverse direction, of fauna and flora.
  还有反方向的动物与植物的交换
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  Certainly, as you know, Europeans brought back the
  你们当然知道 欧洲人带回了
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  potato, maize and quinine,
  土豆 玉米和奎宁
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  as examples, from the Americas.
  这些都是从美洲带来的物品中的例子
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  And there's been a debate as to whether this also involved a
  对于这里面有没有微生物的部分
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  microbial component.
  也一直存在争议
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  And there are those who speculate that Columbus and his
  也有人推测哥伦布及他的水手们