    Setitencé 1; -Wliy.'do many” Americans say .'T  could ,care’.less.': when they ‘mean the  opposite?         Sentence 2: "Diction ‘and Word :Usage:, jihy  do so .many,.peoplé’ say they’ " "could ‘care  less""..when “‘they’ really” néan~""" couldn’s  caré. less""?"    