The appropriate response is rebellion. They were "lost" on the grounds that after the war a considerable lot of them were baffled with the world by and large and unwilling to move into a settled life. Gertrude Stein is typically credited with promoting the expression.
Not everyone speaks the same language, nor can anyone speak everything single language. It can be tough communicating with people of different languages. Sometimes the best we can do to communicate is pointing, using symbols, and watching there body language. although we all may not speak the same language, we all do speak the same body language.