美国中美研究中心特聘研究员丹尼斯·西蒙高度关注即将在美国旧金山举行的中美元首会晤。他表示，美中两国要找到稳定双边关系的方法，尽管美中关系遇到了一些绊脚石，但他对未来有信心。
记者：杨士龙 胡友松
编辑：李小卉
新华社音视频部制作
新华社国际传播融合平台出品
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