我们大多数都不知道 most of us are unaware
分数并不等于知识 Score is not Equal to Knowledge
我们大多数人不知道的 most of us are unaware
不知何故，他试图数星星。
He was trying, for some unknown reason , to count the stars.
低收入的城乡地区的教师没有参加过数学竞赛，他们可能不知道有像 Math Counts 这样学习高数的机会。
Teachers in low-income urban and rural areas with no history of participating in math competitions may not know about advanced-math opportunities like Math Counts.
研究人员不知道是玩游戏引起了大脑的变化，还是这些人与生俱来的大脑结构使他们想要花费数小时玩游戏。
The researchers do not know whether gaming causes the brain to change, or whether people are born with this brain structure which makes them want to spend hours playing.
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