There is often an inverse relationship between the power of the tool and how easy it is to use.

工具的功能越强大，操作起来往往越费事。

It's an inverse relationship.

其实就是倒数关系。

These commodities have an inverse relationship.

这些商品呈现的关系是倒置的。

First I address the inverse relationship between image size and resolution.

首先我将阐述图像尺寸和分辨率之间的反比关系。

Unfortunately, this sets up an inverse relationship between price and quality.

很不幸，这在价格和品质之间建立了一个相反的关系。