Senator Clay believed these eight steps would satisfy the interests of both the North and the South.

VOA: special.2009.03.19

So, at the end of the class on Friday, we saw that list of eight steps that you always need to go through when you draw a Lewis structure.

在上周五的课的最后，我们看到了一张,包括八个步骤的流程表。

麻省理工公开课 - 化学原理课程节选