If the tests show a high possibility, a married couple must decide if they want to risk a pregnancy.

VOA: special.2010.03.23

What would be the probability that a married couple would live, both of them, to the time when their children were grown?

一对已婚夫妇双双活到,孩子成年之后的概率是多少呢

耶鲁公开课 - 金融市场课程节选