芝加哥

In a sentence

• 我今年计划去芝加哥旅行。

  I plan to travel to Chicago this year.

  In this sentence, '芝加哥' functions as a proper noun referring to the city of Chicago.

• 芝加哥的冬天通常非常寒冷。

  Winters in Chicago are typically very cold.

  Here, '芝加哥' serves as a descriptor identifying the location whose winters are being described.

• 你知道芝加哥的著名建筑有哪些吗？

  Do you know the famous buildings in Chicago?

  In this example, '芝加哥' is used to specify the city where the mentioned buildings are located.