Translate the following English sentence to French:
"How can we be sure that those of your colleagues responsible for industrial policy and foreign trade policy, will not, as they did on the last few occasions with your predecessors, keep pulling the carpet from underneath you?"
Comment nous assurer que vos collègues en charge de l'industrie et du commerce extérieur ne vous coupent pas sans cesse l'herbe sous le pied, comme ce fut le cas pour vos prédécesseurs ?