"神奇数字"是个多义词，它可以指神奇数字（数学名词）,神奇数字（手机游戏）。
体重还在迅速增加----这周会达到6磅的神奇数字。
The rapid weight gain continues----6 pounds is the magic number this week.
这个神奇数字(7正负偏差2)代表着我们的短期记忆能记多少。
What this magical number represents - 7 plus or minus 2 - is the number of items we can hold in our short-term memory.
除了上一个技巧，考夫曼也表明20小时是专注学习新技能的神奇数字。
Along with that tip, Kaufman also suggests 20 as the magical number of hours to dedicate to learning the new skill.
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