The only thing they have to pay on that is a regular interest charge to the IMF as a fee for the conversion of the currency,"

VOA: standard.2009.04.20

And then we end up having 6 shared electrons, 2 from each of the bonds, so we end up with a formal charge on sulfur of plus 1.

然后我们有六个共用电子，每个键两个，因此最终硫的形式电荷量为正一。

麻省理工公开课 - 化学原理课程节选

So we end up with a formal charge on carbon of negative 1.

因此最终我们得到碳的形式电荷量是负一。

麻省理工公开课 - 化学原理课程节选