spontanément, de façon spontanée
Change never happens spontaneously.
Le changement ne se produit jamais spontanément.
— The Platform (2019)
You have not spoken spontaneously.
Vous n'avez pas parlé spontanément.
— Investigation of a Citizen Above Suspicion (1970)
It occurred to me spontaneously.
Ça m’est venu spontanément.
Change never happens spontaneously, ma'am.
Le changement ne se produit jamais spontanément, madame.
— The Platform (2019)