包内衬薄纸。
What is it with this thin sheet of paper that makes it so precious?
到底是什么让这么薄的一张纸如此珍贵？
It appears as a white, thin translucent membrane with a character similar to rice paper.
它是一层具有与宣纸相似特性的白色半透明薄膜。
The paper is required to be tough and thin with even and long fibers.
本文需要坚韧和薄，甚至和长纤维。
The paper is required to be tough and thin with even and long fibers.
本文需要坚韧和薄，甚至和长纤维。
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