What do you mean by a standard room?

Standard is a euphemism for bottom matching.

Standards refer to general and basic equipment that meets the minimum standards; Also refers to standard equipment. Going out to stay in a hotel is a valid identity document as standard, which is also the basic condition for staying.

Valid identity documents include temporary id card, police officer's card, passport, driver's license, social security card, residence permit, officer's card, soldier's card, etc. Nowadays, many cities can also stay in hotels with their electronic identities.