concessionaryKK [kəˋnsɛʃəˏnɛri] /kəˈnsɛʃəˌnɛɹi/形容詞1優惠的、優待的英式Students and pensioners can buy concessionary tickets at the counter.學生與退休人士可以在櫃檯購買優待票。2讓步的、妥協的The manager adopted a concessionary tone to calm the angry staff.經理以讓步的語氣安撫憤怒的員工。3特許的商業The mining company holds concessionary rights over the whole valley.那家礦業公司擁有整個山谷的特許開採權。