The mail was carried by train or boat to St.Louis.

VOA: special.2009.05.28

They started having mail cars on trains and they started having postal sorting on the train.

人们开始用铁路邮政车,并且在火车上分类整理。

耶鲁公开课 - 金融市场课程节选

They were speeding the mail so that it didn't have to wait to sort it before it went on the train-- it was sorted while it was moving on the train.

发信速度很快,以致于在上火车之前不再需要,等着分类整理-,可以边坐火车边整理。

耶鲁公开课 - 金融市场课程节选

Ronald Biggs, having robbed a mail train in 1963, swapped a British prison for Copacabana beach and was more envied than vilified as a result.

ECONOMIST: Why this indulgence for a convicted killer?

At Coaley Junction in Gloucestershire, the mail train froze and a fire had to be lit underneath it to defrost parts of the engine.

BBC: How different is the winter of 2010 from 1963?

On Dec. 14, while he was riding Amtrak's Acela train from New York to Washington, he opened an e-mail that detailed problems in the auction-rate markets, which were seizing up because of the blossoming credit crisis.

FORBES: Legal