剑桥词典(using) the cheapest type of seats on a plane or train 乘坐（飛機）經濟艙；乘坐（火車）普通車廂 Traveling in coach class is not a great way to spend your time . 乘坐經濟艙不是什麽令人愉悅的經歷。 比較first class 返回 coach class