With geological maps, books, and atlases you can find out all the proven sites of precious minerals.

有了地质地图、书籍和地图册，你就可以找到所有已探明的珍贵矿藏的位置。

《柯林斯英汉双解大词典》

Teach them geography by giving them age-appropriate atlases and travel books for the journey, and hang a large map on their bedroom wall where they can pinpoint their travels, suggests Jennifer Emmett, editorial director of National Geographic Society's children's books department.

CNN: Give children the gift of travel