One day, a lady went to Dr. Feng doctor, the lady said: "Dr. Feng, when I drink honey green tea, feeling my teeth hurt, I got exactly what disease?" Dr. Feng said: "You will as long as drink sugar-free green tea on the line. "
One day, a lady to Feng doctor, the lady said: "Feng doctor, when I drink honey green tea, feel my tooth hurts, I really got what disease?"Feng said: "you only drink tea without sugar on the line."
One day, a woman doctor, and the doctor feng, the woman said: "Dr FUNG, when I drink honey green tea, then felt my tooth hurts, what do I have? "Mr Frederick FUNG said:" your future if you drink sugar-free green tea would be fine. ”