Development gaps, particularly between an integrated and prosperous Europe and a southern flank which is still developing and experiencing rapid population growth, exacerbate the social and economic problems facing the two sides.
事实上，一个一体化的、繁荣的欧洲与其南侧的一个人口暴涨的发展中地区之间的发展差距，突出了地中海两岸的社会经济问题。