sentence2: However I didn't understand what was really happening behind the scenes in the university - the very one that I left in 2007 to enter the world of unemployment, like thousands of young Mauritanians. But today I finally understood what's going on.
sentence1: إلا أنني لم أفهم حقيقة ما يجري في كواليس تلك الجامعة التي غادرتها سنة 2007 لأدخل في عالم البطالة كآلاف الشباب الموريتانيين