So in oxygen we have a similar situation where, in fact, we are not going to promote any of the electrons because we have two lone pair electrons no matter what we do.

在氧中，情况很类似，我们不能激发电子,因为无论如何我们都有两个孤对电子。

麻省理工公开课 - 化学原理课程节选

p But it now says that in any, in no matter what kind of form I made it from, I can get out that kind of information.

例如我定义了，记得这里吧，是一个笛卡尔卡。

麻省理工公开课 - 计算机科学及编程导论课程节选