我们发现彼此只隔着几个街区，妻子的预产期都是在几个月之后，而且我们都喜欢跑步。

We discovered that we lived a few blocks away, our wives were both due in a few months, and we were both runners.

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而且，几乎每个街区的供暖中心都有好几个烟囱，使得整个城市上空布满黑烟。

Besides, nearly every block has several chimneys for the heating system, which makes the whole city immersed in thick columns of smoke.

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