劍橋詞典(using) the cheapest type of seats on a plane or train 乘坐(飛機(jī))經(jīng)濟(jì)艙;乘坐(火車)普通車廂 Traveling in coach class is not a great way to spend your time . 乘坐經(jīng)濟(jì)艙不是什麼令人愉悅的經(jīng)歷。 比較first class 返回 coach class