"The best way to responsibly advance our security and the security of our allies is to deploy a missile defense system that best responds to the threats that we face and that utilizes technology that is both proven and cost effective."

VOA: standard.2009.09.17

If we want to know the total heat added to the system, we can measure it, which is the straightforward thing, but sometimes you want to calculate in advance, or sometimes you want to calculate it on an exam.

如果想知道给系统的总热量，我们可以测量，这是很直接的事情，但有时候我们想事先计算它，或者需要在考试中计算。

麻省理工公开课 - 热力学与动力学课程节选

According to Kate Cummings, an Ushahidi consultant in Monrovia, Liberia, Humanity United is funding an effort to set up an early warning system in advance of the late-2011 Liberian elections, that would spread the word about potential political violence before it erupts.

FORBES: Names You Need To Know In 2011: Crisis Mapping

That means setting up your system well in advance.

FORBES: Partial Form 1099 Repeal Likely

As President Obama and Mitt Romney are now both benefiting directly and indirectly from super PACs, it is more than just unregulated ideologues throwing money into the system trying to advance their interests.

FORBES: Follow Doug on Twitter @DouglasESchoen