在亚太地区建设一个更成熟的安全和经济架构以增进稳定和繁荣之时，美国对这个地区的承诺至关重要。

At a time when the region is building a more mature security and economic architecture to promote stability and prosperity, U. S. commitment there is essential.

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数十年来，美日同盟一直都是亚太地区稳定和繁荣的基石。

The U. S. -Japan alliance has been a cornerstone of stability and prosperity in the Asia-Pacific region for decades.

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