Students have a lot of trouble with the concepts because there is not much intuition about electromagnetic phenomenon.

学生们对于理解概念,觉得很困难,因为对于电磁学现象,只有很少能凭直觉理解的。

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As I say, the dualist position, as we're understanding it, is not a view that says there are only minds, there are no bodies.

前面已经谈到,二元论,就我们的理解,并不认为只有心灵而没有肉体

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It's to be understood that we have to think of them together.

我们只有把它们放在一起才能理解。

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Six-month-olds don't, and even 12-month-olds don't find anything weird about this, while adults are sophisticated enough to understand that that's an unstable configuration and should fall over.

六个月大的婴儿则不会这么想,即使是十二个月大的婴儿,也没有发现这个木块存在的异常,只有经历世事的成年人才会理解,这不是个稳定的结构,而这个结构是会倒塌的

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That's the only time you're going to find out.

只有这个时候你才知道自己是否真正理解了

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This is true even of seemingly identical signs, because each has its use value and is only intelligible as that which it exists to mean in a certain context.

看着相同的符号也是如此，因为每一个符号都有自己的价值,只有当它出现在某一语境中才能被理解。

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