We could still say it's-- how good your life is, is a matter of adding up the goods and subtracting the bads.

我们可以说-,你的生活质量，等于把好事加起来再减掉坏事。

耶鲁公开课 - 死亡课程节选

For reason, he writes in a famous passage, "for reason is nothing but reckoning, that is adding and subtracting the consequences of general names agreed upon."

对理性而言，他在一个著名的段落中写到，“推理就是一种计算，也就是将公认为标示或表明思想的,普通名词所构成的序列相加减“

耶鲁公开课 - 政治哲学导论课程节选

You might think, well, that's just a matter of adding up the goodness of life and subtracting the badness of death and summing whatever it comes to.

你可能会想，不就是把生命的好处加起来,再减去死亡的坏处,然后相加得出一个结论么。

耶鲁公开课 - 死亡课程节选