CAN I HELP YOU?
найдено в "Dictionary of American idioms"
Can I help you?: translationCould I help you? & Can I help you? & May I help you?Could I assist you? (Said by shopkeepers, clerks, food service workers, and people who answer the telephone.) •The clerk came over and said, “Could I help you?”
•Clerk: May I help you? Mary: No thanks, I'm just looking.