traffic in做 ... 交易做 ... 买卖trafficn.（人或车等）交通流量；不正当生意（走私）v.做生意（多指违法的）；游览traffic density业务量密度,占线密度traffic returnsn.运输业务报告traffic surveys运输量甸traffic feature流量特征traffic signals交通信号灯traffic finance运输财务traffic demands交通需求traffic divider交通分隔物traffic service报务, 话务traffic offense违反交通规章罪