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.
Και ο Άντριου κάνει τη δική του έρευνα, και ένα από αυτά που του είχαν πει και που έμαθε μελετώντας  τη βιβλιογραφία ήταν ότι υπάρχει μεγάλη συμφόρηση.