地质遗迹是地球留给人类的珍贵遗产。

Geologic relics are earth's precious heritage to mankind.

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敦煌文献是人类文明的珍贵遗产，它不仅属于中国，也属于世界。

The Dunhuang manuscripts are precious legacies of human civilization that belong not just to China, but also to the world.

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什么是经典文学？经典文学作品是文学世界的珍贵遗产。

What is classic literature? Classics are the antiques of the literary.

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