It's different in other countries; in Europe, they've had universal banking, which allowed banks to offer insurance for a much longer time but in the U.S.

这与其他国家是不同的,在欧洲,那里有综合银行,它们提供保险服务已经有很长一段时日了,但是在美国

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But it doesn't actually cost as much energy as you might think, because in this s orbital here we have a paired electron situation where we're moving up to a p orbital where the electron is no longer paired, so it won't feel quite as much electron repulsion, but nonetheless, this is going to cost us energy.

但它消耗的并没有,你们想象的那么多,因为s轨道里我们电子是配对的,当我们把，电子移到p轨道,电子不再配对，所以它不会感受到那么多的电子排斥，但尽管如此，这个过程还是要消耗能量的。

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