猎物数量的减少对它们以后的生存来说应该是个不祥之兆。

Reduction in numbers of games should have boded ill for their survival in later times.

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IPBES 主席罗伯特·沃森说，“压倒性的证据”呈现出一种“不祥之兆”。

IPBES chair Robert Watson says the "overwhelming evidence" presents an "ominous picture".

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然而，如果开门的“咔哒”声是入室抢劫之类的不祥之兆，混音器可能会提高音量，提醒人们注意这个声音。

However, if the "click" of an opening door is part of an ominous action such as a burglary, the sound mixer may call attention to the "click" with an increase in volume.

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