And make no mistake: Such engagement is indispensable. While the US must play an integral role in addressing global challenges, from ending the Syrian civil war to following through on the promises of the Paris climate agreement, it cannot do it alone.
只有这一方针能够确保下一任美国总统能够获得与其他世界领导人有效参与的公众授权。不要搞错了：这一参与是不可或缺的。美国必须在解决全球挑战过程中起到核心作用，不管是结束叙利亚内战还是兑现巴黎气候协定承诺。只有真合作才能带来真进步。