In hard times, Americans have rallied together, sacrificed and even given their lives for our country, because they believe in the essential goodness and promise of America.

在艰难的时刻，美国人们曾经同舟共济，不顾牺牲甚至为国捐躯，因为他们相信本质的美德和美国的承诺。

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My mother told me that the monument was built in honor of the heroes who had sacrificed their lives for the peace of our motherland.

我还看见了人民英雄纪念碑，妈妈说，这是为了纪念为国家和平而牺牲的烈士们修建的。

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"We have sacrificed our lives in the fight against Taliban who killed hundreds of our tribesmen, " said Malik Mohammad Ali, a tribal elder from Mohmand.

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No other nation has sacrificed more -- in treasure, in the lives of our sons and daughters -- so that these freedoms could take root and flourish around the world.

WHITEHOUSE: President Obama Speaks at the Air Force Academy Commencement Ceremony | The White House

The hope of all those men and women in our lives who worked that extra shift, who saved and sacrificed and prayed so that we could have something more.

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