translate English to French: Teachers and educators on the other hand, who carry on a distinguished form of the apostolate of the laity by their vocation and office, should be equipped with that learning and pedagogical skill that are needed for imparting such education effectively.
Cela apparaît surtout nécessaire quand une action particulière exige dans l'Eglise l'harmonie et la coopération apostolique des deux clergés, des religieux et des laïcs.