也有一些大城市，比如芝加哥。

There are also some important cities here, like Chicago.

youdao

有些城市，比如芝加哥，现在被视为环境改善的中心。

Cities such as Chicago are now seen as central to environmental improvements.

youdao

许多城市，比如芝加哥和加利福尼亚州的一些城市，已开始考虑禁止使用反式脂肪的问题。

Trans fat bans have been considered by Chicago and some cities in California, among other places.

youdao