It was left to the Yankee, Eli Whitney, to invent a machine which would make it profitable for southern farmers to grow short-fibered cotton to supply the busy factories of Europe.

• 生产的需要使美国人艾利 - 惠特尼发明了一种轧棉机器。 这种轧棉机使美国南方的农民能有利可图地种植短纤维棉花供应欧洲繁忙的工厂。