DearMr.Know,My13-year-oldsonwashurtinanaccidentseverald...
问题详情：DearMr.Know,My13-year-oldsonwashurtinanaccidentseveraldaysago.Hisdoctorssayhehasnochanceofseeingagain.Ihavenoexperiencewiththeblind(盲的).Iwanttoknowhowhemaybehaveinthefuture.Iwanttoknoweveryt...