乌克兰总统泽连斯基：与特朗普讨论了联合国防生产、联合采购和投资等事宜。

Core Points - Ukrainian President Zelensky discussed matters related to UN defense production, joint procurement, and investment with Trump [1] Group 1 - The discussion focused on enhancing collaboration in defense production at the United Nations level [1] - Joint procurement initiatives were a key topic, indicating a potential for increased cooperation between the involved parties [1] - Investment opportunities were also explored, suggesting a strategic approach to bolster economic ties [1]