Since this country was founded, each generation of Americans has been summoned to give testimony to its national loyalty.
自从合众国建立以来，每一代美国人都曾受到召唤去证明他们对国家的忠诚。
The graves of young Americans who answered the call to service surround the globe.
响应召唤而献身的美国青年的坟墓遍及全球。
Now the trumpet summons us again, not as a call to bear arms, though arms we need; not as a call to battle, though embattled we are.
现在，号角已再次吹响---不是召唤我们拿起武器，虽然我们需要武器;不是召唤我们去作战，虽然我们严阵以待。
But a call to bear the burden of a long twilight struggle, year in and year out, “rejoicing in hope; patient in tribulation”, a struggle against the common enemies of man: tyranny, poverty, disease, and war itself.
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