William Griesinger is a famous German medical scientist. Because of his superb medical skills, people who come to see a doctor are always in an endless stream, crowded with clinics, and some people even have to wait most of the day to see him. In order to treat more patients, Griesinger developed the habit of doing things neatly and speaking concisely. He is extremely unwilling to waste other people's precious time, and only wants to know the most important information when he sees a doctor. But many patients can't understand the doctor's mind and always describe their illness over and over again.

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