translation.en: Everyone chooses a number from zero to 100, we're going to compute the average of those numbers, and whoever's closest to two-thirds of the average wins a fixed prize.
translation.zh: 每个人在0~100中选择一个数字 我们将会计算出这些数字的平均值， 如果谁的数字最接近平均值的三分之二，就获胜。