Back in the 1840s, life insurance was very important because the average expectancy of life was only something like forty-five years, so that meant parents were dying left and right.

在19世纪40年代的时候，寿险是非常重要的，因为当时的人均期望寿命，仅为45岁左右，这意味着双亲平均只能活到45岁。

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YAY! A study found left-handed men are, on average, 15% richer than right-handed men for those who attended college, and 26% richer if they graduated.

耶！一项研究表明，平均来说，大学里左撇子男性比右撇子男性富裕15%，毕业后则为26%。

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Methods: 25 cases were diagnosed as twisted testicular appendages by Color Doppler ultrasound, average age was 8 years old, left for 15 cases, right for the 10 cases.

方法彩色多普勒超声诊断的小儿睾丸附件扭转病患者25例，平均年龄为8岁，其中左侧睾丸附件扭转为15例，右侧睾丸附件扭转为10例。

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Back in the 1840s, life insurance was very important because the average expectancy of life was only something like forty-five years, so that meant parents were dying left and right.

在19世纪40年代的时候,寿险是非常重要的,因为当时的人均期望寿命,仅为45岁左右,这意味着双亲平均只能活到45岁

耶鲁公开课 - 金融市场课程节选

Companies are laying off employees left and right, accounting for millions of dollars lost, and despite an average gain of 3% earlier this month, the majority of social media stocks have plummeted.

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