we have discussed
Todavía no hemos discutido qué método es mejor.
We haven't discussed which method is better yet.
Hemos discutido el problema varias veces, pero ha sido inútil.
We have discussed the problem several times, but it has been useless.
Tom y yo no hemos discutido todavía eso.
Tom and I haven't discussed that yet.
Todavía no hemos discutido sobre la guerra.
We haven't discussed the war yet.
— Acantilado Rojo (2008)
We've discussed this.
We've already discussed it.