The pain of woulda-coulda-shoulda, the pain of next time I’ll do it, the pain that you are forced to realize because you have not yet committed to changing your habits.

其痛，是未来之痛，可能之痛，应该有的痛，下一次我会体验的痛，这种痛，让你受逼迫去认识，因为你至今没有改变习惯。

youdao

That's the first hurdle you have to overcome, because when you do, you will realize that the pain was only half an inch thick.

这是你需要克服的第一个困难，因为当你克服了后，你会发现这种痛苦也只有半英寸厚而已。

youdao

Because the short term experience is so good that you feel a big pain if you don't have it.

因为你的短期体验很棒，这就会在你没有它的时候感觉到莫大的痛苦。

youdao

just because you have a different religion or you're born in a different part of the world, we all experience the pain of a lost loved one,"

VOA: standard.2009.12.12

Because if you were dead, you'd have neither pleasure nor pain.

死了即不会感到快乐也不会感到痛苦。

耶鲁公开课 - 死亡课程节选