在一个食物缺少的时代，一个动物能够随时吃到东西储存脂肪并且由于错过吃甜果和肉而导致自杀，这点是很聪明的。
In a world in which food is scarce, it is smart for an animal to eat when it can and storeupthe fat, and suicidal to pass up the chance for sweet fruit or fresh meat.
1956年，米尔·诺尔证明了奇异的7维球体的存在，其他数学家立刻认识到这一成果是时代的杰作。
In 1956, Milnor produced a result that other mathematicians immediately recognized as a masterpiece for the ages: proving the existence of "exotic" 7-dimensional spheres.
我国果醋历史悠久，几乎与果酒是同时代的产物，早在夏朝就开始有记载。
The history of fruit vinegarin our country is glorious. It was appeared at the same time with the fruit cider long before.
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