C101 Eyesight

"I used to be a very healthy person. Not only my upper body, but my lower body as well." Hei Zi joked about what seemed to be a joke, making himself laugh out loud. Then he took a drag from his cigarette and said, "Later on, because of a big problem, my hand disappeared. You should know something about this, right?"

I nodded: "Not much. Brother Yi told me about it before."

"Yes