Translate the following English sentence to French:
"I do not believe, however, that it will suffice to allocate huge sums of money in the future - huge sums in relation to previous expenditure, but still less than is actually needed."
Je crois néanmoins qu' il ne suffira pas à l'avenir de débloquer de grosses sommes d' argent - de grosses sommes d' argent par rapport au passé, mais qui restent insuffisantes par rapport aux besoins réels.