During the day, a young man, sitting on a train, wearing a white sweatshirt, looking sad, looking forward, with short black hair and a peaked cap, with a train carriage in the background, blurred background, HD, 4k

白天，一个年轻人坐在火车上，穿着白色运动衫，看上去很难过，向前看，黑色头发短，帽子上有峰顶，背景模糊，背景模糊，高清，4K