Dai Wei has hardly suffered from stomach trouble after eating milk-made food
Dogs and cats are sometimes restless before the earthquake, so there is no reason to conclude that dogs and cats have the ability to sense earthquakes in advance, because in most cases, there is no earthquake after the restlessness of dogs and cats.
 Just because he occasionally had stomach pain after eating the milk-made food, it was concluded that his allergy to milk-made food was unreasonable