improbability基本解释
n.无必然性的事物;未必有之事
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名词复数: improbabilities
n.无必然性的事物;未必有之事
n.无必然性的事物;未必有之事
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名词复数: improbabilities
"impossibility should never be confused with improbability"
"the improbability of such rare coincidences"