Yeah it is certainly a mysterious verse, and really I would have to look at it in greater depth to really give a good answer to that question Fran, but the reason I mentioned it is because it shows that Paul seems to understand that "Christ's sufferings" still have more to accomplish in the world; something like the cure has been given but it has not yet taken its full effect in the world.
Again I would need to research a bit more, but from what I understand the Church usually sees it in the context of Christ's call to us to carry our crosses after Him, and the Churches role in being an instrument of new creation in the world (NT Wright is great here I think). That part of the way that the resurrection and new creation happen is that Christians participate in Christ's work of transforming evil into good; of making occasions of persecution etc into occasions of mercy and charity.
So I think I agree with what you said, Paul is suffering as Christ suffered, but also he claims to be doing it "for the sake of the Church". We thus see Christ's cross not just as an event that is over and done with but rather an instrument of transformation in the world, and that as Christians who are baptized into Christ's death and resurrection, and united to Him as members of His body, we too have been given the grace to share in this transformation in our own crosses or sufferings.
I think St. John Paul II expounds on this a lot in his letters "Salvifici Doloris" (available onlilne), about redemptive suffering. He he actually begins the work by citing this verse. The letter as a whole is a beautiful reflection of finding meaning in suffering, it is worth looking at.
I hope that makes some sense
Again I would need to research a bit more, but from what I understand the Church usually sees it in the context of Christ's call to us to carry our crosses after Him, and the Churches role in being an instrument of new creation in the world (NT Wright is great here I think). That part of the way that the resurrection and new creation happen is that Christians participate in Christ's work of transforming evil into good; of making occasions of persecution etc into occasions of mercy and charity.
So I think I agree with what you said, Paul is suffering as Christ suffered, but also he claims to be doing it "for the sake of the Church". We thus see Christ's cross not just as an event that is over and done with but rather an instrument of transformation in the world, and that as Christians who are baptized into Christ's death and resurrection, and united to Him as members of His body, we too have been given the grace to share in this transformation in our own crosses or sufferings.
I think St. John Paul II expounds on this a lot in his letters "Salvifici Doloris" (available onlilne), about redemptive suffering. He he actually begins the work by citing this verse. The letter as a whole is a beautiful reflection of finding meaning in suffering, it is worth looking at.
I hope that makes some sense
There's too much we don't know.
This makes me think of Mass when the sacrifices of the congregation are added to Christ's sacrifice.
Romans 12:1
If I could remember I'll bring this up with a Priest I know. If I see him soon, I'll post here. (he's a theologian).