According to the famous song, America is beautiful for its spacious skies, purple mountains, and amber waves of grain.

由那首著名的歌得知，美国因它广阔的天空，紫色的山峦，还有琥珀色的谷浪而美丽。

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Instead of spacious skies and amber waves of grain, Thompson looks out onto tight streets and flickering traffic lights.

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With visions of sugar plums dancing in his head, he first sees nothing but purple mountain majesties and amber waves of grain.

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The prominence given to mayors at the convention is also a reminder that, for all the amber waves of grain and frontier nostalgia, more than four out of five Americans today live in urban areas.

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