Chicago,Illinois was once the second largest city in the United States.

VOA: special.2010.01.10

But once I saw the heart of the city, I fell in love with it.

但当我看到市中心的那一刻，我就爱上了这座城市。

对纽约的印象 - SpeakingMax英语口语达人

Some analysts have expressed concern that holding the trial in New York City, the site of the 2001 attack on the World Trade Center, will once again make the city a prime terrorist target.

VOA: standard.2009.11.25

This anniversary is about remembering the past. And as the dominoes run in a line from Potsdamer Platz, past Brandenburg Gate to the nearby parliament, they once again divide the city, even if only briefly.

VOA: standard.2009.11.09

But India's diamond center is now desolate. Merchants in the once busy trading city say they have transacted virtually no business since last Christmas as orders dry up from Western buyers, who bought nearly 90 percent of their stones.

VOA: standard.2009.04.03