LeonieMulleriswritingherpaperonthenomadic(流浪的)life,and...
问题详情： LeonieMulleriswritingherpaperonthenomadic(流浪的)life,andwhiledoingit,she’slivingonatrain.Butshe’snotjustridingthetrainforresearchpurpose.The23-year-oldGermanstudentpaysonly$180amonthandli...