A magical witch potion with no expiration date?

一瓶连保质期都没写的魔法药水？

But the work that is called for that we must do has no expiration date.

但是工作，那是我们必须做的，它没有截止日期。

It actually has no expiration date whatsoever.

它实际上没有任何有效期。

Human suffering has no expiration date.

人类的苦难没有期限。

Last time I checked, there is no expiration date on when you can become successful, whatever that means to you.

上次我查过，你什么时候能成功没有截止日期，不管这对你意味着什么。

It's true that there is no expiration date to grieve and time cannot undo a loss, but time away from work helped me figure out how daily life can coexist with grief.

诚然，悲伤没有到期日， 时间也无法挽回损失，但远离工作的时间帮助我弄清楚了日常生活如何与悲伤共存。