translate English to French: In those four years she has acquired much experience, not only through training sessions held in Québec City, but also by performing a number of missions in the territory for which the Longueuil base is responsible.
Depuis quatre ans, elle a acquis beaucoup d'expérience; non seulement en participant à tous les stages de formation qui se tiennent à Québec, mais en effectuant plusieurs missions sur le territoire de la base de Longueuil.