例如，如果你想要自己的房子看起来比邻居家亮一倍，两倍的电灯并不足以做到这点，你需要去购买四倍的电灯才行。

For example, if you want your house to look twice as bright as others in the neighborhood, it doesn't twice as many lights; you'll need to buy four times as many lights.

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这意味着三个臭皮匠虽然可以顶过诸葛亮，但这只有在我们能够开诚布公的讨论自己不同的看法观点时才行。

This implies that two heads may be better than one, but only when we can competently discuss our different perspectives.

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