How to understand the meaning of the lyrics "You are a thousand piles of snow and I am a long street" in Faye Wong's Postman, fearing that the sunrise will disintegrate each other?

If the snow melts after sunrise, how can it be attached to the strip? Even if you are a pile, the sun will disappear when it comes out.

One semester after the winter vacation, it was a winter night in Guangzhou where it finally snowed. She and I missed the entrance guard time of the dormitory because we went out to see a movie, so we chose to stay at McDonald's at the school gate because it was open 24 hours a day. We were friends at that time, but she didn't know that I liked her.

We had a good talk that night. I took off my coat and used it as a pillow for her. We talked from entertainment gossip to history and literature, from the cold night to the twilight in the sky. We tell jokes, talk about ideals, talk about life and talk about emotions. Talking about feelings, she told me that she didn't like anyone, so I swallowed back the sentence that had been rehearsed thousands of times because I cared too much about her.

She said that she likes Faye Wong. Tonight's scene reminds her of The Postman. She asked me to sing it to her. I haven't heard this song, so I hummed a few words at random.

"You are a thousand piles of snow, and I am a strip." Later, at dawn, she said that the dormitory should be opened. I sent her downstairs, but I couldn't say that until I left.

I think I'm sick, and I can't concentrate on my work after I go back, because she keeps circulating in my mind like that song, so I told her my heart, and only got a sentence "We are still good friends", never. Later, I listened to "The Postman", and it turned out that there was another sentence after that day: "I am afraid that when the sunrise comes, it will disintegrate each other."

Just like Guangzhou couldn't keep the snow that winter, I couldn't keep her in the end. By sunrise, all the stories were finished. Later, I don't like her, but I like Faye Wong's songs, because there are always stories that we have seen in the lyrics. She is a letter, and I am just a postman.