绿皮书 Traditional form: 綠皮書 Pinyin (reading): lüpíshū Definitions: green paper (government report proposing policies and inviting discussion) Characters: 绿 - green; chlorine 皮 - skin, hide, fur, feathers 书 - book, letter, document; writing Traditional characters: 綠 - green; chlorine 皮 - skin, hide, fur, feathers 書 - book, letter, document; writing