railway operator的用法和样例：
例句
- Warren Buffett bought a big stake in Burlington Railroad on Monday, and investors responded by pushing money into the railroad operator.
周一，巴菲特大手笔买入了伯灵顿铁路公司的股份，投资者们的反应便是一窝蜂地将钱投在该铁路运营商身上。 - Two German unions yesterday launched a campaign of walkouts in a pay dispute with the national rail operator, causing disruptions in parts of the country.
因与国有铁路运营商之间的薪酬纠纷，两家德国工会昨日发起了一场突然罢工，在该国部分地区造成了一定的混乱。
