在靠近公路的一座建筑物前面，我们发现了一些线索，这些线索告诉我们这是一个不一样的类型的家庭。
A few clues in front of buildings set close to the road tells us this is a family of a different kind.
公路改造和养护合同的成本效益，而其它类型的合同并没有强调这一点。
Cost-effectiveness of CREMA contracts compared to other types of contracts.
这条公路宽度达16条跑道的宽，是东非此类型公路中最巨型的。
The road, as wide as 16 lanes, is the biggest of its kind in East Africa.
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