So for example, that might have a formal charge of negative 1, because to some extent it has gained that much electron density that it now has a formal charge that's negative.

比如，可能它的形式电荷为负一，因为在一定程度上它得到了这么多的共用电子密度,那么它现在就有了负的形式电荷。

麻省理工公开课 - 化学原理课程节选

So, for example, in a hydrogen atom, if you take the binding energy, the negative of that is going to be how much energy you have to put in to ionize the hydrogen atom.

例如在氢原子里面,如果你取一个结合能,它的负数就是。

麻省理工公开课 - 化学原理课程节选

So what she's talking about here, for example, is that positive emotions help us overcome negative emotions.

她谈到的问题包括，积极情绪有助我们克服消极情绪。

哈佛公开课 - 幸福课课程节选

For example, do you think that ? mortgage will have a negative impression?

举个例子，你认为,抵押贷款将会产生消极影响么？

耶鲁公开课 - 金融市场课程节选