There is an association, but we have not established that the new lights caused the drop.

How to say “There is an association, but we have not established that the new lights caused the drop.” in French

In French

Il y a une association, mais nous n'avons pas encore établi de lien de causalité entre le changement de lampes et la baisse de consommation.

There is an association, but we have not established that the new lights caused the drop. in other languages