The old man panicked, hugging me tightly while shouting, “Old gentleman, old gentleman, come quickly, come quickly…”,Just as I was about to scream again, a seventy-year-old man strode in, buzzing with questions, "What happened",Look at that little cotton-padded jacket on the bed, look at the red sweet potato in my hand, look at the loving and kind faces of my grandparents, and then take a closer look at the dim old room around me. I am certain that I have returned to 1976.。