economy class
noun [ U ], adverb uk/ɪˈkɒn.ə.mi ˌklɑːs/ us/ɪˈkɑː.nə.mi ˌklæs/
（客机的）经济舱;乘坐经济舱
(using) the cheapest and least comfortable type of seats on an aircraft
They always fly economy class. 他们总是乘坐经济舱。
economy-class seats 经济舱座位
Compare: coach class second class noun