Exactly speaking, the raw materials are not only paper, but also gold foil, silver foil, bark, leaf, leather, cloth or fur.
没错来说，不仅是原材料纸张，而且金箔，银箔，树皮，叶，皮，布或毛皮。
2
This book is a work of art in and of itself: the cover is bound in leather, features a jewel-encrusted peacock on the front, and is emblazoned with gold leaf.