It kind of knows people are going to ask how do you get from Boston to New York City.
就像你知道别人会问你,从波士顿到纽约怎么走。
My family is coming to visit me from Boston.
我的家人会从波士顿来看我。
And if you're going from Boston to someplace else where New York just happens to be on the way, it doesn't have to recompute that part of it.
如果你是从波士顿到其他地方,而碰巧路过纽约你就不需要,重新计算从波士顿到纽约这段路了。
Well, I'm from Boston
我来自波士顿,
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