For example, only 0.8 per cent of road in Chad is paved, 2.7 per cent in the Central African Republic, 3.5 per cent in Mongolia, 7.1 per cent in Bolivia and 7.9 per cent in the Niger.
例如，铺路面的公路在乍得只占0.8％，在中非共和国占2.7％，在蒙古占3.5％，在玻利维亚占7.1％，在尼日尔占7.9％。