1. According to the QQ music "Deep Autumn Night", the expression of deep autumn night means that it is cold in autumn night and suddenly I think of the person I love now.
2. Original song: Liu Xiaoxiao, lyrics excerpt: Autumn Night Affection. I miss you in my dream, miss you alone, and the autumn night is deep and tears are streaming down my face. Ah, I miss you, miss you, miss you, miss you.