There is great disparity between the amount of work that I do and what I get paid for it.

我的工作量和报酬有很大的差距。

While Halloween has its origins in the British Isles, there's a great disparity in its popularity in former British colonies.

虽然万圣节起源于不列颠群岛，但它在前英国殖民地的受欢迎程度存在很大差异。

And before you get to that, though, what explains the great disparities between and among hospitals even within the same city?

不过，在此之前，如何解释即使在同一城市内医院之间的巨大差异？

Since the end of the nineteenth century significant progress towards the removal of very great disparities of wealth and income has been achieved through the instrument of direct taxation-income tax and surtax and death duties-especially in Great Britain.

自 19 世纪末以来，通过直接征税——所得税、附加税和死亡税——在消除财富和收入的巨大差距方面取得了重大进展——尤其是在英国。