Well, it has been calculated that if we were to remove bats from the equation, we're going to have to then use insecticides to remove all those pest insects that feed on our agricultural crops.
Nous avons calculé que si nous devions retirer les chauves-souris de l'équation, nous allons alors devoir utiliser des insecticides pour supprimer tous ces insectes nuisibles qui se nourrissent de nos récoltes agricoles.