Translate the following English sentence to French:
"These are common lines of action; each of us in our respective spheres and all of us together must pursue our efforts to ensure that concrete action is taken in each of those areas."
Nous avons là des pistes communes d'action et, chacun de notre côté et tous ensemble, nous devrons poursuivre nos efforts pour que ces dernières aboutissent à des actions concrètes.