Someone might also say, you know a little inequality, even a substantial inequality, is not so bad as long as nobody is really suffering.

有些人也可能会说，微小的贫富差距，甚至显著的贫富差距存在，只要没人觉得痛苦就行了。

耶鲁公开课 - 金融市场课程节选

How long have you been suffering from this nightmare?

你受这种折磨有多久了？

How long课堂 - SpeakingMax英语口语达人