On weekdays, Zhang Xingyun actually eats in the canteen. However, since there is a treat today, Zhang Xingyun will not be polite.


    After all, the food in the canteen is not very delicious.


    With the beautiful teacher Lin Feng left the school, two people came to a hotel not far from the school.


    Although the restaurant doesn''t look very good on the outside, it''s quite clean inside, and the dishes are also good, which can be called as good quality and low price.


    Zhang Xingyun took the menu and ordered several dishes with drooling saliva. Then she looked at Lin Feng and hesitated and said, "would you like to order some?"


    Lin Feng shook his head and was angry. You know how to treat yourself and order so many dishes. Can you finish it? Humph, hold you up!


    Zhang Xingyun laughed and said, "well, if you don''t know what to order, I''ll help you order two at will."


    After saying that, Zhang Xingyun ordered several dishes, then said to the waiter with a smile: "put more spicy, thank you."


    Lin Feng was completely defeated by this scoundrel. But she can still afford it.


    I don''t know why, every time I''m with this Zhang nebula, I get gas.


    Even though this Zhang Xingyun saved herself several times, she still couldn''t help trying to teach him a lesson.


    But after all, there is still grace in their own, so think about it, Lin Feng or endure.


    Seeing the two people waiting for the dishes, the atmosphere was a little awkward. Lin Feng still found a topic to talk about.


    "Zhang Xingyun, I heard that you are still helping in a small clinic. And I heard that your medical skills are good. Can you tell me something interesting in medicine? "


    "Yes. What interesting things do you want to know? " Zhang Xingyun nodded and said casually.


    "Well, those are the things that no one else knows." But just ask casually to find a topic. Lin Feng doesn''t want to learn medicine, so he doesn''t want to know something too professional.


    Zhang Xingyun thought for a moment and then said, "well, do you know what the most sophisticated instrument is for people to see a doctor?"


    Lin Feng listened and laughed: "what do you mean by precision? I don''t know if it''s precise or not. I just know that it''s more expensive. For example, it''s for people to do cardiac ultrasound. It seems that there is only one hospital on our side? "


    "Isn''t this the most sophisticated one if you say it''s good to be expensive?"


    Zhang Xingyun laughed and then said, "I can''t believe you know a lot. But you''re wrong. Expensive doesn''t mean good, nor does it mean precision. "


    "In fact, the best and most precise instrument is human!"


    "People?" Lin Feng immediately doubted for a while, and then laughed: "you want to make a mystery here again?"


    "Who doesn''t know those instruments need to be controlled by people. If you tell me this, I''ll think you''re entertaining me."


    Zhang Xingyun shook her head and said with a smile, "this is not what I said. In fact, the reason why people are the most sophisticated instruments is that human sensory nerves can never be compared with instruments. "


    Speaking of this, looking at Lin Feng''s puzzled eyes, Zhang Xingyun continued: "the human body is the most complex instrument. Every small disease can be reflected from the changes of the body."


    "It''s like a huge machine. If you lose one screw, it may have a different effect. People and people are the same thing. "


    "But if you check the machine for lack of screws, you can''t take it down for inspection, can you? That''s a lot of time and effort, so we''ll use another machine to check


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