Being well off is a matter of experiencing pleasure and avoiding or minimizing the experience of pain.

幸福就是体验快乐,避免或将痛苦体验最小化。

耶鲁公开课 - 死亡课程节选

.. How valuable-- how well off you are, how valuable your life is, is a function of the contents, the pleasure and the pain.

生命的价值-,你有多幸福，你的生活有多少价值，是生活内容的函数，即快乐与痛苦的函数。

耶鲁公开课 - 死亡课程节选

Which of the various futures that are open to me are likely to give me the better life, leave me better off, measured in terms of pleasure or pain?

也就是向我敞开的各种未来,哪种能给我更好的生活，让我更幸福，用快乐和痛苦来衡量？

耶鲁公开课 - 死亡课程节选