你可能得到一个功能距离式的回答：“噢，不远！
You might get a functional-distance answer of, "Oh, not far!"
功能距离是依据空间的使用功能而非它的绝对测量值来衡量出的空间距离。
Functional distance is a measure of space based on how that space is used, rather than its absolute measurement.
另一个惊人的功能是，微信可以让我们寻找住在附近的人，并显示距离。
Another amazing function is that WeChat can make us look for people who live nearby, and show the distance.
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