美国副总统万斯：俄罗斯和乌克兰都必须在领土问题上让步。

Core Viewpoint - The U.S. Vice President emphasizes that both Russia and Ukraine must make territorial concessions to reach a resolution in the ongoing conflict [1] Group 1 - The statement reflects a diplomatic approach aimed at encouraging negotiations between the conflicting parties [1] - The call for concessions indicates a shift towards compromise, which may influence future peace talks and geopolitical dynamics in the region [1]