What I do know is that meeting these challenges will require the same vision, hard work, and persistence of those men and women who acted so boldly decades ago.
但我确知，应对这些挑战要求具有几十年前那些英勇无畏的前辈所具有的远见、勤劳和坚韧不拔。
Persistence of vision causes visual impressions to continue upon the retina for a brief time.
视觉残留引起视觉印象在视网膜上短时持续。
The voices in "Nanking" speak for the persistence of good in times and places where a moral crevice opens to reveal a vision of hell on earth.
无论何时何地，只要出现道德败坏出现人间地狱的情况，我们要时刻保持善良的本性。
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