translate English to French: Therefore given that the managers were obviously very pleased with the employees' expertise in their principal discipline, I could easily see why they would have readily concluded that the employees would have no difficulty in performing the same duties with respect to the others in which they already had the backgrounds.
Par conséquent, comme les gestionnaires étaient de toute évidence très satisfaits de l'expertise des employés dans leur discipline principale, je peux facilement comprendre pourquoi ils ont conclu que ces employés pourraient sans difficulté assumer d'autres disciplines dans lesquelles ils détenaient déjà de l'expérience.