"I think there are many communities that have done an excellent job developing or redeveloping their communities to permit new economic growth that does not generate as much additional vehicle traffic."

VOA: standard.2010.07.26

We want to do that because we have too many variables here. We've already got dV p we'll get rid of p as an additional variable and replace it with V which is already in here.

我们之所以要那么做,是因为这儿有太多变量了,我们已经有了dV，我们要把,作为额外的变量消去，用已存在的V代换它。

麻省理工公开课 - 热力学与动力学课程节选

and NATO forces even as the Obama administration prepares to send an additional The hazy groups and alliances of what collectively comprise the Taliban make it difficult to determine just who the U.S.

VOA: standard.2009.03.11