As an educator,however, Johnson says that there is no other widespread cultural innovation to explain the radical shift in language usage she's seen over the past few years.

VOA: standard.2010.01.16

So, I think with that I'll shift over to some external matters.

所以对于这些,我想我会转向一些宏观问题。

麻省理工公开课 - 固态化学导论课程节选

U.S.Defense Secretary Robert Gates. "There is a general feeling I could say that with all these additional troops and all these additional efforts that everybody is making to get to the elections in Afghanistan, to have a free and fair election and then see over the next months whether we can begin to shift the momentum,".

VOA: standard.2009.06.11