Why is it called anti-fishbone business class?

Anti-fishbone business class is a description of the seat layout of business class, which is named because of its seat arrangement. Business class seats are arranged like fishbones, which means that each seat has certain privacy and independence. "Anti-fishbone business class" means that the arrangement of seats is opposite to that of traditional business class, that is, the seats are arranged back to back to form an anti-fishbone shape. This layout can provide more private space and comfort for passengers, and at the same time, it can improve the number of seats and the efficiency of cabin use. "Anti-fishbone business class" is a relatively new business class seat layout. Because of its special design, passengers can enjoy better comfort and privacy.