乌克兰总统泽连斯基表示，他将于下周前往沙特阿拉伯，乌克兰和美国官员将在那里与俄罗斯讨论初步停火协议。 Mr. Zelenskyy, who won't attend, said Kiev was working constructively for a fast and lasting peace. It comes after Donald Trump stopped providing ...