Wortnetzwerk: trocar

To exchange one thing for another, especially without using money.

To change or cause to change in character or composition.

A person's regular occupation, profession, or trade; commercial activity.

The act of giving one thing and receiving another in return.

To substitute, replace; to take the place of (someone or something else).

Exchange, internship; an act of giving one thing and receiving another.

Money returned to a customer after paying for something.

Goods to be bought and sold; merchandise.