General Motors earned its first quarterly profit in three years, with $865 million in net income, Reported in May.

VOA: standard.2010.07.29

so you can see that there is going to be two sets in antibonding, three sets in bonding for a net of one, giving us the single bond.

因此你能看到,反键轨道上有两组，三组成键，得到一组净成键，所以成的是单键。

麻省理工公开课 - 固态化学导论课程节选

Three and a half billion dollars was the net worth, roughly, of slaves in 1860.

860年,奴隶作为资产,市值约35亿美元

耶鲁公开课 - 美国内战与重建课程节选