便宜的 cheap [tʃiːp]
昂贵的 expensive [ɪk'spensɪv; ek'spensɪv]
dear [dɪə] 便宜的 cheap [tʃiːp]
昂贵的 expensive [ɪk'spensɪv; ek'spensɪv]
dear [dɪə]