Such differentials may not last long.

这些差异可能不会长久持续下去。

We have seen differentials.

我们已经讲了微分。

Well, they are called differentials.

这个就是微分。

I prefer to sell on quality or other differentials.

我宁愿选择品质销售或其它差异化销售路线。

Wage differentials are relatively small in the public sector.

公共部门中的工资差距非常小。