Translate the following English sentence to French:
"Mr President, the Communist Party of Greece is in favour of a state lifelong learning system, since it will give workers the chance to improve their knowledge and professional skills as well as their contribution to society as a whole and their standard of living."
Monsieur le Président, le parti communiste de Grèce est en faveur d' un système public de formation tout au long de la vie qui donnera la possibilité aux travailleurs d' améliorer leurs connaissances, leurs aptitudes professionnelles et, qui plus est, leur apport à la collectivité et leur niveau de vie.