Regional carriers get paid for calls that pass through their switches.

地方运营商向那些通过其转接台的电话收费。

《柯林斯英汉双解大词典》

Deadly airline crashes are increasingly rare. But regional carriers have had four in the last five years, while major airlines have had one.

致命客机坠毁事件日益少见。但是过去的五年内支线客机发生过四次，大型航空公司发生过一次。

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The terminal will consist of four deep-sea berths and two feeder berths to accommodate the interchange of containers between large ocean-going vessels and regional carriers.

九号货柜码头将设有4个深水泊位和两个接驳船泊位，以供大型远洋轮船和本区货轮互相交收货柜之用。

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But regional carriers have had four in the last five years, while major airlines have had one.

VOA: special.2009.06.13

Rather, the airline seems focused on weakening contract provisions that limit flying by regional carriers.

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In contrast, several low-cost and regional carriers have fared better than their larger rivals have.

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Neidl calls SkyWest the powerhouse of the regional carriers and likes its steady earnings stream and cash flow generation.

FORBES: Magazine Article