But, despite having finalized the terms of the agreement, Obama failed to persuade Afghanistan’s outgoing president, Hamid Karzai, to sign it. That means that America’s role in the country can be settled only after the new Afghan president assumes office in May.
但是，尽管最终完成了协议条款，但奥巴马没能说服即将卸任的阿富汗总统卡尔扎伊在协议上签字。这意味着美国在阿富汗的角色只有在5月阿富汗新总统履新后才能敲定。