As the number of taxis rose, in 1978 the government imposed a blanket freeze on issuing new taxi plates. Thus they became in short supply and began to command higher and higher prices.
隨著計程車數目日益增多，民國六十七年，政府開始全面凍結計程車牌的申請，車牌於是變得奇貨可居，行情節節升高。