club class
noun/ˈklʌb klɑːs/
/ˈklʌb klæs/
(British English) (also business class British and North American English)
[uncountable]- the part of a plane where passengers have a high level of comfort and service, designed for people travelling on business, and less expensive than first class
（飞机上的）公务舱，商务舱