Translate the following English sentence to French:
"What is certainly the case is that, apart from very few exceptions, transoceanic services do not have to face competition from roads and, in most cases, air transport does not offer any practical competition to them."
En tout cas, à part quelques rares exceptions, les services maritimes transocéaniques ne sont pas confrontés à la concurrence de la route et, dans la plupart des cas, le transport aérien ne représente pas non plus un concurrent réel.