His comments reflected what other officials have said that ending the F-22 program is just one part of the effort to shift the focus of U.S.defenses away from what they see as the relatively remote possibility of a war with a major power and toward the types of smaller-scale conflicts of recent years.

VOA: standard.2009.07.21

One of the great shifts in English/British history that you will become aware of is the shift of economic dynamism in England away from the south to the north.

英国历史进程的重大转折之一,就是在英国南北部之间的,经济活力的改变

耶鲁公开课 - 欧洲文明课程节选

One of the great shifts in English/British history that you will become aware of is the shift of economic dynamism in England away from the south to the north.

英国历史进程的重大转折之一,就是在英国南北部之间的,经济活力的改变

耶鲁公开课 - 欧洲文明课程节选