据知情人士透露，北京方面正考虑采取措施，以应对特朗普政府对中国在芬太尼贸易中所扮演角色的关切。这可能为缓和双方敌对状态提供一条途径，从而为启动贸易谈判创造契机。

China has said it's evaluating approaches from US officials to start negotiations about tariffs, a potential deescalation in ...