Translate the following English sentence to French:
"Finally, it is important to facilitate the granting and renewal of permanent residence permits, as a residence permit of very brief duration leads to employment of very brief duration, discrimination and exploitation."
Il importe enfin de faciliter l'octroi et le renouvellement d'un titre de séjour durable pour l'émigrant, car la précarité de séjour nourrit l'emploi précaire, les discriminations et la surexploitation.