Translate the following English sentence to French:
"The pressure groups in the biotechnology industry explain that there is no risk, while at the same time saying that compulsory insurance is impossible because the risk is not insurable."
Les groupes de pression de l' industrie biotechnologique nous expliquent à la fois qu' il n' y a pas de risque, et que l' obligation d' assurance est impossible parce que le risque est inassurable.