A: Although many people suppose that youth problems arise at the time when a societal and economic system undergoes a certain amount of change, what have actually occurred have been temporary phenomena. For example, the American hippies of the 1960's were for a time a popular trend, whereas now they are already nonexistent.
答：雖然許多人認為青少年問題是一個國家在經濟社會轉型到某一程度的時候，所發生的一種短暫現象，例如說一九六○年代，美國的「嬉皮」一時成為潮流，現在已不復存在。