To deregulate something means to remove controls and regulations from it.
例句
...the need to deregulate the US airline industry...撤销对美国航空业管制的需要Once wholesale prices are deregulated, consumer prices will also rise.一旦批发价格放开，零售价格也会随之上涨。
英英词典释义
Noun
1. the act of freeing from regulation (especially from governmental regulations)