red-light district

例句：

1. 1.The red-light district is a popular tourist destination.
   红灯区是一个受欢迎的旅游目的地。
2. 2.The red-light district has become a symbol of vice and corruption.
   红灯区已成为堕落和腐败的象征。
3. 3. Many people visit the red-light district to experience the local culture.
   许多人访问红灯区以体验当地文化。