金融危机之后的美国实力的问题，不是一个美国实力衰落的问题，而是认识到即使是最强大的国家，也不能在没有其他人的帮助下达成目标的问题。
The problem of American power in the wake of the financial crisis is not one of decline, but of a realization that even the most powerful country cannot achieve its aims without the help of others.