We should point out here that because of its pivotal position between sub-Saharan and North Africa, its porous borders and its limited means or action, Niger has to contend with substantial migratory flows.
我们应该在此指出，由于处于撒南非洲和北非之间的枢轴位置、边界管制不严且行动手段有限，尼日尔不得不面对大规模的移民潮。