事实上，埃及、利比亚、阿尔及利亚和苏丹都曾是奥斯曼帝国的一部分。

In fact Egypt, Libya, Algeria and Sudan were all once part of the Ottoman empire.

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在北非的许多国家，如苏丹和利比亚，签证很难获得，而且这里给背包者的供应也很少。

In many countries in the north, such as Sudan and Libya, visas are hard to obtain, and there is little provision for backpackers.

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利比亚人称他们将停止使用西北撒哈拉水系统和努比亚砂岩水系统（世界上最大的化石含水层，为埃及、乍得、苏丹共同拥有）的水来种植小麦。

The Libyans say they may stop growing wheat using water from the NWSAS and the Nubian sandstone aquifer system, the world’s largest fossil aquifer, which they share with Egypt, Chad and Sudan.

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