law of averages
短语n. 平均律，常规; 大数定律
释义与例句
n.
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1.
The statistical tendency toward a fixed proportion in the results when an experiment is repeated a large number of times.
数学Near-synonym: law of large numbers (not always differentiated)
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2.
An imaginary or perceived "law" of probabilities which is wrongly used to predict results in the short-term.
非正式This coin has landed on heads ten times, so by the law of averages it must land on tails next time.
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3.
A real or purported law from centuries past regarding the distribution of recompense after a loss at sea due to an act of God, said by some (but not others) to explain why the word average evolved a sense having to do with means, medians, modes, etc.