The book is a special Commodity which bears Culture and Information. The beauty of books and the cultural connotations are the characters of books.
书籍是一种承载文化与信息的特殊商品，书卷气与文化意蕴是书籍的特质。
Grain is not only a special commodity with public and foundational characters, but also a significant international strategic material.
粮食不仅是一种具有基础性和公共性的特殊商品，而且还是一种重要的国际战略物资。
Orchid species show variable biological characters and important commodity characteristics.
兰科植物具有多样的生物学特性和重要的商品特性。
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