Attention all passengers,Due to a sudden thunderstorm, the train will be stopping for five minutes to ensure safety. Please remain calm and seated.,Wei JiaYi's voice was icy cold: "I thought you were a doctor, but now it seems you are just a street ruffian trying to scam me!","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"。