Translate the following English sentence to French:
"Here it states and I quote: "deplores most strongly the residual impression left by these cases, whereby it would appear that favouritism plays a significant role in the granting of appointments to high-grade posts within the administration of Parliament" ."
Il dit, et je cite : "déplorer vivement l'impression laissée par ces affaires, selon laquelle il semblerait que le favoritisme joue un rôle significatif dans la nomination aux postes de grade élevé au sein de l'administration du Parlement".