Until late in this century,most Ameri-cans spent time with people of all generations.Now baby boomers may not have muchcontact with old people until they re relativelyold themselves.That s because we group people by a...Until late in this century,most Ameri-cans spent time with people of all generations.Now baby boomers may not have muchcontact with old people until they re relativelyold themselves.That s because we group people by age.We put our three-year-olds together in day-care centers,our 13-year-olds in schools展开更多
文摘Until late in this century,most Ameri-cans spent time with people of all generations.Now baby boomers may not have muchcontact with old people until they re relativelyold themselves.That s because we group people by age.We put our three-year-olds together in day-care centers,our 13-year-olds in schools
