Towards Connecting Discrete Mathematics and Software Engineering Sino-Russia Relations Towards Comprehensive and Strategic Cooperation Northeast Asian Economic Cooperation in Perspective:The Future Has Never Been Brighter Capacity Building-Oriented Cooperation between China and BRI Countries Towards a Full-Stack Dev Ops Environment (Platform-as-a-Service) for Cloud-Hosted Applications Combating climate change calls for a global technological cooperation system built on the concept of ecological civilization ReseaRch on the Design of inteRnational coopeRation system to supply global public gooDs:with a View on the Route selection foR china‘s paRticipation