对某些人来说，数字13是不吉利的，如果某个月的13号恰巧是星期五，想要避免凶兆的人最好呆在室内。

The number 13 is said to be unlucky for some, and when the 13th day of the month falls on a Friday, anyone wishing to avoid an inauspicious event had better stay indoors.

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很明显，大多数的投资者并没有将商品的高价看作凶兆，而只是作为大量全球需求的象征。

Clearly, most investors have not seen higher commodity prices as inauspicious, merely as a symptom of robust global demand.

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对那些认为世界已经走到尽头的人来说，任何普通的天文现象都可以是凶兆。

Ordinary astronomical phenomena are imbued with a sense of threat by people who already think the world is going to end.

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