但在里根时代终结时的美国已不是他上台时的美国了！

But America at the end of the Reagan years was not the same country it was when he took office.

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1793年，一位名叫罗伯特·富尔顿的美国人对一个想法产生了兴趣，这个想法意味着帆船时代的终结。

Then in 1793, an American named Robert Fulton became interested in an idea which would mean the end of sailing ships.

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