The sitting cabins of business class and first-class flights differ in a certain way. The seating cabin of business class can recline and turn into a bed. And passengers can seek comfort while travelling in this class, whereas the cabins of first class are fully enclosed suites with sliding doors. Passengers can ensure their privacy in these cabins. https://thestarbiznews.com/is-business-class-the-same-as-first-class-emirates/