Current location - Quotes Website - Personality signature - What do you mean by two yards per card?
What do you mean by two yards per card?
Two codes refer to the health code and travel code, and one certificate refers to the negative certificate of nucleic acid detection within 48 hours.

The two codes refer to the health code green code (national epidemic prevention and health information code or provincial and municipal health code) and travel code (epidemic prevention and control travel card) respectively. Certificate refers to the negative nucleic acid detection certificate within 48 hours.