As a result , under both the george w. bush and barack obama administrations , american foreign policy has been moving toward the creation of new , sometimes difficult partnerships as it retools for the tasks ahead .

因此，在美国为应对未来任务而进行调整之际，小布什（georgew.bush）和奥巴马（barackobama）政府的外交政策均在向缔造新型、甚至会有些难度的伙伴关系方向前进。