Алла Пугачева начала пользоваться тростью для ходьбы14:57
Malcolm Gladwell
，这一点在搜狗输入法中也有详细论述
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Decades earlier, Buffon had posed this as a probability question in geometry: Imagine you have a floor with parallel lines separated by a distance d. Onto this floor, you drop a bunch of needles with length L. What is the probability that a needle will cross one of the parallel lines?