新概念4的问题People are always talking about 'the problem of y

新概念4的问题
People are always talking about 'the problem of youth'.If there is one--which i take leave to doubt--then it is older people who create it,not the young themselves.Let us get down to fundamentals and agree that the young are after all human beings--people just like their elders.
then是什么意思怎样翻译?
after all human beings