Generally speaking, it is edible, and the shelf life of food can be appropriately extended under low temperature and sealed environment during storage.

If it has been opened and the ambient temperature is high, it will deteriorate before the shelf life. The importance of environment to food determines the shelf life of food.

"Outdated" Chinese vocabulary. It often means that the food has passed the safe consumption period. Or refers to articles that have exceeded their safe service life. It can also mean that the contract and commitment have exceeded the set time.