Taxi，theunderground，driving...inLondonthesemeansoftrans...
问题详情：Taxi，theunderground，Londonthesemeansoftransportareastudentonabudget，Icouldn'taffordthe30pounds(around300yuan)fareforaabuswasonepoundand20pence(about12yuan)forasingleticket.Ididn'tneedtotravelth...