Translate the following English sentence to French:
"The report was a major undertaking because it also incorporates opinions from four further committees - from the Committee on Industry, External Trade, Research and Energy, the Committee on Regional Policy, Transport and Tourism, the Committee on Women' s Rights and Equal Opportunities, and the Committee on Citizens' Freedoms and Rights, Justice and Home Affairs."
Ce rapport a été très coûteux, du fait qu' il reprend également les avis de quatre commissions supplémentaires, à savoir les commissions de l' industrie, de la politique régionale, des droits de la femme et des affaires intérieures.