夜空呈红色往往预兆第二天天气晴朗。

A red sky at night often indicates fine weather the next day.

《牛津词典》

帕米萨诺和罗梅蒂在7月29日同一天生日，这可是365分之1的小概率，考虑到闰年，可能更小；这是某种预兆吗？

In a 1-out-of-365 chance, or less considering leap year, Palmisano and Rometty share the same birthday, July 29th; is that an omen of some kind?

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智利矿工以迷信著称，而挖掘工作正好进行了33天，这对等在地面上的家属来说是个吉兆。

Chilean miners are famously superstitious and, for the families waiting on the surface, it seemed like a good omen that it had taken exactly 33 days to dig the shaft.

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