Today's teens have a lot of problems. And each one of them there is something to complain about. The most common problem is a misunderstanding with the adults.
The kids have a lot of problems. And each of them has something to complain about. The most popular course is the lack of understanding of the problem with adults.
Today's young people have a lot of problems. And in each of them there are on that complain. The most popular problem this is of course misunderstandings with adults.