spoilage in excess of norm

例句：

1. 1.The food was spoiled before it couldbe served.
   食物在上桌前就坏了。
2. 2. The wine has spoiled due tothe wrong storage conditions.
   由于储存条件不当，酒已经变质了。
3. 3. Thespoilage of the foodis a major concern for restaurants.
   食物的变质是餐厅的一个主要担忧。