The more successful the United States is at propounding her liberal economic values and social traditions, the more likely powerful, new players will rise to the fore in the near future.

• 他解释说 美国建立了一套纵横交错的环球贸易系统，同世界的经济挂钩，各国都选择投入这套系统，如同自愿掉入猪笼草的蚂蚁一样。