shelf life
noun/ˈʃelf laɪf/
/ˈʃelf laɪf/
[usually singular]- the length of time that food, etc. can be kept before it is too old to be sold
（食品等的）货架期，保存期 - The product has a guaranteed shelf life of 60 days.
这种产品的保存期为60天。
- The product has a guaranteed shelf life of 60 days.