"But it is an important election in the sense that they need to be free,fair and non violent in order for Macedonia to qualify for certain EU accession membership qualifications."

VOA: standard.2009.03.22

But it is interesting. Let's just, for an order of magnitude say what happens for ground state electron in atomic hydrogen?

但行星模型其实挺有趣的，按照重要的先后顺序，我们来猜想一下,氢原子中的基态电子会发生些什么？

麻省理工公开课 - 固态化学导论课程节选

Let us view justice in a city in order to help us understand what it is in an individual.

我们从城市来检视正义,以期帮助我们了解,其在个人之中彰显的意义。

耶鲁公开课 - 政治哲学导论课程节选

If we have a higher z effective, it's pulled in tighter, we have to put in more energy in order to eject an electron, so it turns out that that's why case 2 is actually the lowest energy that we need to put in.

而如果有效核电量更高，原子核的束缚也就更紧，我们不得不输入更多的能量来打出一个电子，这就是第二种情况,所需要输入的,能量更少的原因。

麻省理工公开课 - 化学原理课程节选