She ordered a portion of spicy beef at a restaurant in Chinatown. It turned out a strange flavor, which is, sour. She wondered if there is something wrong in her taste bud, felt uncertain because the spicy beef always seasons with peppers and chilies. She recalled any history of having a sour and spicy beef before; The fact is, there is no place in the world shall add vinegar to this unique dish which leads your tongue to feel numb instead of sensitive. The beef must have lost its freshness before the chef cooked it. There is an impulsion nearly rushing out from her mouth to make a complaint but she couldn't.

Cowards have diarrhea.