It is a challenge owing to the persistent discrepancy between the rate of economic growth in these countries, which limits Government budgetary allocations to meet the growing demand for primary education and that of population increase.
之所以是挑战是因为这些国家的经济增长速度一直存在差距，限制了政府划拨预算来满足不断增长的初级教育和人口的需求。