peterngau在内罗比大学教授城市规划，他认为在东非这样的公路是绝无仅有的。
Peter Ngau, who teaches urban planning at the University of Nairobi, says East Africa has never seen anything like it.
英国杜伦大学的东非研究员贾斯汀·威利斯称苏丹的石油行业非常神秘。
Justin Willis, an East Africa researcher at Britain's Durham University, says Sudan's oil industry is deep in mystery.
来自于纽约哥伦比亚大学的气候研究员西蒙·梅森说，在过去的十年里东非变得越来越干燥了。
SHIRLEY GRIFFITH: Climate researcher Simon Mason at Columbia University in New York says East Africa has been getting drier over about the last ten years.
纽约哥伦比亚大学气候研究员SimonMason表示，过去十年东非地区变得越来越干燥。
Climate researcher Simon Mason at Columbia University in New York says East Africa has been getting drier over about the last ten years.
纽约哥伦比亚大学气候研究员SimonMason表示，过去十年东非地区变得越来越干燥。
Climate researcher Simon Mason at Columbia University in New York says East Africa has been getting drier over about the last ten years.
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