"I can save your grandfather, but I have a condition. After saving your grandfather, you must give me that rosewood box.","Excuse me, Madam. My name is [Student's Name] and I am a graduate student at the Zhonghai Medical University. I have a medical license. May I treat your grandfather","Although this illness isn't serious, it can be quite bothersome. If you don't mind, we can exchange contact information later, and I can come to your home to take a look when I have time..."。