Iron hoes, which made the land more productive, and iron weapons, which made the warrior more powerful, had symbolic meaning in a number of West Africa societies.

铁制锄头使土地更高产，铁制武器使战士更强大，它们在许多非洲西部的部落中都拥有象征性意义。

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Yet both sides agree that the Internet world is being transformed by a number of powerful forces, three of which stand out.

不过双方有一点是相同的，即一些强大的力量正在改变着互联网世界，其中三股力量最为比较突出。

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Chinese culture is filled with superstitions about numbers, with 888 considered to be a powerful number of wealth.

BBC: Different Disneylands around the world

The Wallabies came desperately close to scoring the first try of the game soon after, but some heroic defence from the hosts saw powerful Australia number eight Wycliff Palu stopped inches short.

BBC: Scotland 9-8 Australia

Once a candidate is hired, a number of powerful tools facilitate the onboarding process, including BambooHR.

FORBES: Social Hiring Tools Used By Hyper Growth Companies: Pinterest, Tumblr, HootSuite, Klout, Posterous, Bitly And Mashable