President Barack Obama’s administration has maintained an intensely inward-looking focus, reinforced by a public wary of foreign engagements. Nothing short of a drastic change in the conflict’s nature that threatened America’s core interests would lead to direct US involvement.
从美国的角度看，叙利亚并不是一颗战略上的关键棋子。巴拉克·奥巴马总统政府一直强烈关注国内事务，美国公众也异常警惕介入国外问题。除非叙利亚冲突性质突然急剧变化并威胁美国核心利益，否则都不要指望美国直接干预叙利亚问题。