One symptom of illness cannot create another symptom of illness.

* 果不能生果。黄梨不能生香蕉。

* A fruit cannot bear another kind of fruit. Pineapple cannot bear a banana. Raspberry cannot bear a strawberry. 

  • High blood pressure does not lead to stroke.
  • Diabetes does not lead to blindness.
  • Bone spur does not lead to pain.
  • Gout does not cause pain in big toes.