Drop the needles on the paper and calculate the percentage that fall on a line. With enough attempts, the answer should be the needle length divided by the width between lines, all multiplied by 2/pi.

将针随便丢在纸上，然后计算出落在线上的针的百分比，随着尝试次数的足够多，最终这个百分比将越来越逼近针的长度除以格子的宽度再乘以2/pi。

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But in the 1990s something dramatic happened, and the needle went way past the red line.

但在20世纪90年代，事情发生了戏剧性变化，指针大大超过了警戒的红线。

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Having spent 500 hours under the needle in the past 20 years, Varley has almost every square cm of her body decorated, but she draws the line at having her face tattooed. see.

过去20多年中，伊索贝尔花费500小时将自己全身上下几乎每一寸肌肤文满文身。

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Try to move the needle a little bit with each change in the right direction, and try to line up incentives properly.

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