Guyana's railways were previously owned by private companies.

圭亚那的铁路先前为私营公司所拥有。

《柯林斯英汉双解大词典》

CTM is one of the official developers for the Federal Customs Service of Russia, JSC Russian Railways, and other major public and private companies.

CTM公司是一家俄罗斯联邦海关服务、JSC俄罗斯铁路和其他重大公共和私人公司的官方研发公司。

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But Britain's existing railways were largely built by private companies, whose backers eventually lost their shirts.

ECONOMIST: The politics if not the economics are turning in favour