急速上升
6.The world urban population is rocketing upwards at a rate of 6.5 per cent per year.
9.Our customers are quite satisfied with your tablecloths. As a result, the demands have been rising rapidly in recent month.
10.The announcement was made against the background of an over-heated economy and rapid rises in property prices. Our competitiveness as an economy was threatened and too many families could not afford to buy their own homes.
