business class
noun [ S ], adverb uk/ˈbɪz.nɪs ˌklɑːs/ us/ˈbɪz.nɪs ˌklæs/
（乘坐）商务舱
travelling conditions on an aircraft that are better than the conditions you get when you travel more cheaply
Do you usually travel business class? 你旅行通常坐商务舱吗？