"We reaffirmed our commitment to strong, sustained economic growth as was articulated by the G-20 in Pittsburgh, and reaffirmed our intent to continue to expand trade and resist protectionist measures between the United States and the European Union,"

VOA: standard.2009.11.03

If the rate of growth had sustained, that's what the population would've been.

假如高增长率持续的话,我们现在得有多少人口啊

耶鲁公开课 - 美国内战与重建课程节选

If the rate of population growth of the United States between 1820 and 1850 had sustained over time, we'd have today approximately one and a half billion people in the United States.

如果在1820至1850年间,美国人口增长率保持下去的话,今天我们的美国,就会拥有近十五亿人口

耶鲁公开课 - 美国内战与重建课程节选