Translate the following English sentence to French:
"The integration of Turkey into the European Union is naturally of considerable interest to European big business, for which the European institutions, including Parliament, are the mouthpieces."
. L'intégration de la Turquie dans l'Union européenne intéresse évidemment au plus haut point le grand capital européen dont les institutions européennes, Parlement compris, se font les porte-parole.