It's going to generally depend upon the airline, route, and aircraft variety. Some airlines could provide a hybrid class involving business and first, while some might have a larger gap between the two classes. 公司;商業機構 The two brothers founded/create/started up a clothing retailing business. 兄弟倆開了家服裝零售商店。 Best drives the business ahead https://www.businessflightshop.co.uk/