What's the explanation for the ending of Sweet Honey?

The sweet ending is explained as follows:

Finally, Maggie Cheung and Dawn meet again in the streets of new york, which could have ended.

But the camera turned back to ten years ago, only to find that they actually took the same train and came to Hong Kong head to head. Braking time, understand the full meaning of the sentence "where, where have I seen you".

Introduction of sweet honey

The film "Sweet Honey" was directed by Chen Kexin and starred by Maggie Cheung, Liming and Ceng Zhiwei. It was released on 1996.

1996 is the eve of Hong Kong's return to China and a year after the death of the great singer Teresa Teng. With the help of this special background, the film tells the story of the hard times of new immigrants in Hong Kong at the end of the 20th century, and Teresa Teng's song "Sweet Honey" runs through it, successfully capturing the * * * exchange feelings of China people on both sides of the Taiwan Strait. The plot of the film begins at 1986 and ends at 1995 when Teresa Teng died suddenly. Against the background of China's immigration tide, the historical changes in the ten years before Hong Kong's return to China are shown through Nobody.