This complete poem is:
"The south of the city is no longer blue, the north of the city is no longer beautiful, and the city is no longer crowded. Since then, I have never had you in my heart. The story of the South Wall has been forgotten. The east of the city is empty and the west is unhappy. Will always be the butterfly of Zhuang Zhoumeng.
Translation:
There will be no blue sky in the south of the city, and the north is no longer beautiful. "North of the city" and "North of the city" both refer to the north of the city, so "North of the city" can also be translated into North of the city together. "Blue" usually refers to blue and blue, which can be extended and translated as "blue sky" here. Beauty is beauty, beauty.
This expression means:
Women in the south hope that people in the north will come back soon, and men in the north also miss women deeply. They love each other, but it's hard to meet each other.