劍橋詞典offered at a lower price than usual for certain people , for example students or old people （對(duì)學(xué)生、老少或失業(yè)人群的）價(jià)格優(yōu)惠的，減價(jià)的 a concessionary fare /ticket 優(yōu)惠票價(jià)／票 返回 concessionary