"Therefore,to be able to shift the behavior of these people, to look at the turtle the other way around, then you have to involve them in the conservation of the same."

VOA: standard.2010.07.15

We'll be able to hear the shift.

我们应该能听出这种轮换

耶鲁公开课 - 聆听音乐课程节选

Phase One, the million and a half years ago, in the early--in the late--Miocene and early Pleistocene phases, there was shift where people were less likely to be just going out and gathering foods from every place they could find it.

第一阶段,一百五十万年前,在整个中新世以及更新世的早期,情况开始转变,人们不光靠,出门四处搜集食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The policy shift is sure to be on the agenda next week when Mr.Obama is likely to meet, at either the United Nations or the Group of 20 economic summit, with Russian President Dmitiri Medvedev.

VOA: standard.2009.09.17