Just out of itself to exchange with others. But now money is very important that all people need in their daily lives: to work in exchange for money to survive.
Just took of themselves having to share with other people. But for now very significant money that everyone must use everyday must work income for life.
It's just a self- the to exchange for other people, but now the money that everyone must use in their daily lives need to work in exchange for money to sustain life