Khamenei asked Mr.Obama if what he called America's "hostility" towards the Iranian nation has really changed.

VOA: standard.2009.03.21

That's what has changed between these two positions.

这就是在这两个位置间所发生的变化。

耶鲁公开课 - 文学理论导论课程节选

That's what has changed between these two positions.

这就是在这两个位置间所发生的变化。

耶鲁公开课 - 文学理论导论课程节选