求翻译：也许正是它促使美国不断兑现这种对自由的诺言，为世界民主进程烙下了属于自己的痕迹。 《独立宣言》虽然不是美国的宪法或其组成的部分，也不具备宪法的效力。 但它的影响在美国历史上意义重大，不可小觑，是世界民主进程中一块不朽的丰碑。是什么意思？

Perhaps is precisely it urges US to cash this kind unceasingly to the free promise, ironed for the world democratic advancement belonged to own trace. "Declaration of Independence" although is not US's constitution or its composition part, also does not have the constitution potency. But its influen

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