An old man visited a doctor to consult as to what he should do,. The doctor gave him some instructions.

The old man shook his head and started to leave the office. The doctor said: "Sir, you forget to pay me." "Pay you for what?" said the old man. The doctor replied: "For my advice."

"No, sir, no, sir," the old man replied, "I am not going to take it."

有个老头去找医生咨询，问他该怎么做，医生给他提了一些建议。 

老头摇摇头就要离开诊室。医生说：“先生，你忘记了付费了。”“付什么费呀？”老头说。医生回答说：“付咨询费给我呀。”

老头说：“不啦，先生，我没有打算接受你的意见。”