McCain said he wants to see McChrystal use the same aggressive approach employed during the troop surge in Iraq.

VOA: standard.2009.08.23

However, on Friday we will use a different approach so we can talkabout bonding within atoms that have more than two atoms, molecules with more than two atoms.

但是，在周五我们,会用一种新的办法来讨论,不止两个原子的分子的成键。

麻省理工公开课 - 化学原理课程节选

Now what I want to do is take you exactly to this place where we are right now, where we see energy levels and electron filling, but I want to start all over again and I want to use a totally different approach.

现在我想做的是带你们,到达我们现在所处的地方，我们能看到能量级和电子分布的地方，但我想重新开始,而且用一个完全不同的方法。

麻省理工公开课 - 固态化学导论课程节选

Scott Baldridge, an expert on this approach. Baldridge has designed a training program for elementary school math teachers who want to use it.

VOA: standard.2010.08.10