What do the lyrics of The Girl by the Bridge mean?

This song is about the writer Helen meeting a wandering girl by the bridge. After listening to her story and singing, she fell in love with her. Although everyone has left, my feelings for girls are still unforgettable for a long time.

The lyrics express the wandering wanderer's yearning for real existence and beautiful soul. Strangers always hold hopes and dreams, and the whole world will be supported by meaningful pursuit and yearning. When all the love and being loved, the great contrast between reality and dreams are mixed in this beautiful girl by the bridge, she will arouse the softest wishes and pity in each of us.