1. The Empire City 帝國城市
David Stravitz first printed this name in his photographic book titled New York, Empire City: 1920-1945. It represents New York City's wealth and resources. First president George Washington saw New York as the "seat of empire".
David Stravitz是第一個在他的出版畫冊當中將紐約叫做帝國城市的人；帝國城市：1920-1945。這個名字代表了紐約市的財富和資源。美國第一任總統喬治華盛頓把紐約稱作“帝王之座”。

2. The Big Apple 大蘋果
Jazz musicians called New York City "the Big Apple" in the 1920s and 1930s. They got the term from a horse track worker who said where to a horserace in NYC was referred to as the Big Apple.
爵士音樂家在20年代和30年代把紐約稱作“大蘋果”，他們主要是從那些馬道工作者口中得知當他們在談論紐約馬賽的時候總是說紐約市大蘋果。

來源:可可英語 http://www.ccdyzl.cn/read/201108/150401.shtml