通用期間
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Meanings
1
period of validity; validity period
Used for documents, tickets, coupons, licenses, and other items with an expiration date.
This coupon is valid until next month.
The passport's validity period has expired.
period of validity; validity period
Used for documents, tickets, coupons, licenses, and other items with an expiration date.
This coupon is valid until next month.
The passport's validity period has expired.