"Qui" means that he decisively bid farewell to his old love in the South and runs towards a new path; "Nian" means that she was trapped in the autumn, chewing up his name and hiding it in her longing. It's wrong starting with the name. His turn was crisp and clear, but her concern grew wildly in every fallen leaf, full of the humility of "you left without any nostalgia, but I stayed to remember the four seasons."
Intention: be