Its primary role has been " black exclusion and debasement" .

它的主要作用是“排斥和贬低黑人”。

This event was the great debasement of the silver coin, by clipping and wearing.

这个事件是银币的大贬值， 通过剪裁和磨损。

That comes down to two main factors: debasement and inflation.

这归结为两个主要因素：贬值和通货膨胀。