我的父亲，在幻灯片统治时代，他在麻省理工学院接受工程教育，经常感叹由于袖珍计算器带来的便利性，削弱了我这一代人的数学能力。

My father, who was trained in engineering at M. I. T. in the slide-rule era, often lamented the way the pocket calculator, for all its convenience, diminished my generation's math skills.

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斯尼德曼和哈佛大学医学院的同事们从婴儿期跟踪至大学时代，发现那些十分消极应对新人和新物的婴儿日后会成为害羞的孩子。

Snidman and colleagues at Harvard Medical School have tracked infants to their college years, and know that babies who react very negatively to new people and objects tend to grow into shy children.

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所有的这些都是麻省理工学院同一时代的校友。

All are MIT alumni from about the same time.

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