Translate the following English sentence to French:
"Enlargement will make a complex system of coordination even more complex and it is not surprising that many citizens simply do not believe that the Union takes the free movement of citizens as seriously as it takes its commitment to the free movement of goods."
L'élargissement rendra un système complexe de coordination encore plus complexe et il n'est pas surprenant que de nombreux citoyens ne croient tout simplement pas que l'Union traite la libre circulation des citoyens avec autant de sérieux que la libre circulation des marchandises.