And Andrew had been doing his own bits of research, and one of the things that he had been told and that he'd learned from studying the literature was that there's actually a big bottleneck.
Et Andrew avait fait sa propre petite recherche, et l'une des choses qu'on lui a dites et qu'il a apprise en étudiant les publications est qu'en réalité, il y a des obstacles au développement.