“对俄实施严厉经济制裁”，特朗普发出威胁

Core Viewpoint - The article discusses President Trump's statements regarding potential economic sanctions against Russia if a ceasefire agreement is not reached in the ongoing conflict with Ukraine, emphasizing the need for negotiations from both sides [3]. Group 1 - Trump indicated that if Russia refuses to agree to a ceasefire, the U.S. will impose severe economic sanctions [3]. - He highlighted that the U.S. holds the "economic sanctions" card and prefers to use economic means rather than escalate to a world war [3]. - Trump also mentioned that Ukraine must be prepared for negotiations, indicating a need for mutual effort in the peace process [3].