However, in the 22 years since U.S. airlines were deregulated, consolidation has often been heard, despite the attempts of hundreds of new carriers to get airborne.
然而，在美国政府解除对国内航空公司实行管制之后的22年中，虽有上百家新兴新航空公司曾试图打入该市场，但各大航空公司通过兼并发展壮大的事件还是时有耳闻。

Last year, drug pricing was deregulated to attract competition.
去年，政府放松了对药品价格的管制以吸引竞争。

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。

Rents on new private sector letting were deregulated.
私有住房房租管制被解除。

While coal prices have been deregulated, electricity prices are still set by the authorities.
尽管煤炭价格取消了管制，电价却仍然由官方制定。