Whilst other models have been attempted elsewhere in the UK, and proposed previously in Wales, we have to recognise the scale of the challenge facing us.
Er bod modelau eraill wedi cael eu rhoi ar waith mewn rhannau eraill o'r DU, ac wedi cael eu cynnig o'r blaen yng Nghymru, rhaid inni gydnabod maint yr her sy'n ein hwynebu.