Primary Discovery Learning: From Bean to Bar 一块巧克力的诞生

• Goods, services, consumers and producers. (function)
  商品，服务，消费者和生产者三者之间的关系 （功能）
• Needs, wants, supply and demand. (function)
  需求，欲求和供给的关系 （功能）
• Money System across the world. (connection)
  世界各地的货币体系 (连系)

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Click HERE to explore more books and online resources in Primary library.
点击这里浏览更多小学图书馆的书籍和在线资源。