Translate the following English sentence to French:
"However, we must not fool ourselves, we must not harbour any illusions, and we must insist that the WTO rules are in fact upheld, because this is, of course, the crux of the matter."
Certes, il ne faudrait pas se leurrer, ne pas nourrir d'illusions, nous devrions rester très fermes quant au respect effectif des règles de l'OMC, car là est bien le point critique.