你可以理解为我们从一个市场渠道上退下来,从而观察另一个渠道的市场效果。
You might consider that we could pull back in one channel to see the effects of another.
你可以理解为,工作的时候穿上“工作服”,或者坐在桌子前的时候穿上鞋(我就经常这样做)。
This might mean wearing “work clothes” when you're working. Or it might mean putting shoes on when you're at your desk (this is one I do most of the time).
语言映射是一种翻译,因为你在使用一种语言,而要把它转换为另一种同样可以工作并且可以理解为一种实现的语言。
A language mapping is a sort of translation because you are taking one language and translating it into something that can work and be understood as an implementation.
And we can simplify this expression as saying negative e squared over 4 pi, epsilon nought r squared. Epsilon nought is a constant, it's something you might see in physics as well.
也会遇到它,在这里,你可以就把它,理解为一个转换系数,我们需要做的。
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