Smith discusses potential benefits of specialization by division of labour, including increased labour productivity and gains from trade, whether between town and country or across countries.
Smith issewal fal alfayda tan n teɣare daɣ ezaraj iyyan s tuzant n alxidmat eha asiwad n intaj n alxidmat d arabax daɣ mamala jir aɣrim d addawla meɣ jir addawla tan