Translate the following English sentence to French:
"Another important element closely related to improving efficiency in the conviction of traffickers is, as I have already mentioned to Parliament, granting temporary residence permits to victims of trafficking who are willing to give evidence."
Un autre élément important, étroitement lié à l' amélioration de l' efficacité de la condamnation des trafiquants, concerne, comme je l' ai déjà dit au Parlement, l' octroi de permis de résidence temporaire aux victimes de ce trafic qui souhaitent témoigner.