America did not quit Vietnam only because too many of its young men were dying.

美国人从越南撤军并不仅仅是因为太多的年轻人战死沙场，它有着更深层次的原因，美国是在为自豪而战，正是这种信念的衰退最终导致了美国人撤离越南。

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Now only about 15% of young men are called up.

如今只有15%的年轻人受到征召。

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Now only about 15% of young men are called up.

如今只有15%的年轻人受到征召。

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