希望四方执法合作不断深化拓展，努力开启四国执法合作新局面，为维护湄公河流域安全稳定做出新的贡献。
It is hoped that the law enforcement cooperation will continue to be deepened and expanded, so as to strive to open new opportunities for the four countries' law enforcement cooperation and make new contributions to safety and stability of the Mekong River basin.