尽管推翻卡扎菲政权几乎没有让美国破费一分钱，但长期干预阿富汗和伊拉克局势已经大大削弱了美国公众对积极外交政策的容忍度。
Despite the relatively costless overthrow of the Qaddafi regime, America’s prolonged interventions in Afghanistan and Iraq have severely strained the public’s tolerance for an active foreign policy.