The problem with Los Angeles is that they've had unsteady employment and unemployment.

洛杉矶的问题在于,那里的就业情况不稳定

耶鲁公开课 - 金融市场课程节选

So what we see is that structure a is the most stable because we have the least separation of charge in the case of structure a.

因此我们看到结构，A，应该是最稳定的,因为这种情况下,分开的电荷最少。

麻省理工公开课 - 化学原理课程节选