Aprofessortoldhisstudentstogointothecityslum(贫民窟)tostud...
问题详情:Aprofessortoldhisstudentstogointothecityslum(贫民窟)tostudythelifeof200boys.Heaskedthemtowritereportsabouteachboy’slifeandfuture.Everyoneofthestudentswrote,“Hedoesn’thaveanyhope.” Twenty-...