Expiration date
01
过期日期, 有效期
the final date on which a product, document, or agreement is considered valid, effective, or safe to use
Dialect
American
例子
Check the milk 's expiration date before drinking it.
喝牛奶前检查保质期。
The coupon is invalid after the expiration date.
优惠券在过期日期后无效。



























