On paper, a properly united Sudan seems well worth aiming for: an oil-rich but underdeveloped south complementing an educated, commercial north with few natural resources.

理论上，使苏丹合理地统一起来似乎是个很值得努力的目标：南部储油量丰富且欠开发，正好和有教育基础、商业有成且缺乏自然资源的北部互补。

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He said that, as well as fuel oil, commercial explosive boosters - which are harder to get hold of - were needed to create an ammonium nitrate bomb.

BBC: NEWS | UK | Ammonium nitrate 'easy to find'