Evaluate the extent to which the UK system is progressive, regressive or proportional.
Evaluate the extent to which the UK system is progressive, regressive or proportional.
评估英国的系统的进步的，后退的或相均衡的程度。
Evaluate the extent to which the UK system is progressive, regressive or proportional.
评估英国的系统的进步的，后退的或相均衡的程度。