translate English to French: However, they have to hand an important means for dealing with it, namely the national budgets which amount to nearly 50 % of their GDP, even if they use those means ineffectually.
Mais ces derniers, même s'ils s'en servent sans grand succès, ont à leur disposition un moyen déterminant d'y faire face, les budgets nationaux qui atteignent presque 50 % de leur PNB.