I would just like to say that this is a very complex issue.
In her book, the author took an oversimplified stance on a very complex issue.
As the papers indicate, it's a very complex issue.
Well... it's a very complex issue these days.
Of course, I understand that this is a very complex issue.
As my colleagues pointed out, it is a very complex issue.
So one would think it's a very complex issue.
Donc, on dirait que c'est une question très complexe.
Poverty is a very complex issue that has many causes.
La pauvreté est une question très complexe ayant des causes multiples.
You've given us a lot of information on a very complex issue.
Vous nous avez donné beaucoup de renseignements sur une question très complexe.
We know that this is a very complex issue.
Nous savons qu'il s'agit d'une question très complexe.
We are trying to resolve a very complex issue.
Nous sommes en train d'essayer de résoudre une question très complexe.
Again, this is a very complex issue.
Encore une fois, c'est une question très complexe.
Legislating tobacco control is a very complex issue.
Légiférer le contrôle des produits du tabac est une question très complexe.