Translate the following English sentence to French:
"Lastly, an issue for which we are increasingly responsible, as the world' s foremost economic and commercial power, that is, Europe' s voice in the world, which does not simply mean adopting an active approach to the Millennium Round."
Enfin, il y a un domaine dans lequel nous sommes chaque jour plus responsables, en tant que première puissance économique et commerciale mondiale : la voix de l'Union européenne dans le monde.