The danger has been caused by a new explosion at one of the reactors in the Fukushima plant, followed by a fire. The operator says meltdown is now possible.

危险起因于福岛核电站一个反应堆的爆炸并起火。(核电站)工作人员说现在燃料棒可能已经开始熔毁了。

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“Every day is like this, ” says the toll operator.

“每天都像这样，”收费站的工作人员说。

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The operator, in a calm soothing voice says: "Just take it easy." I can help.

接线员说：“别那么紧张，我能帮你。”

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One story says it was first used during the early days of the telephone to tell an operator that a message had been received.

VOA: special.2010.02.28

And the rail operator says it will provide better on-board services, new ticket machines and wireless internet access at stations and on trains.

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The convenience-store operator says it deployed the application in May 2011 to help field consultants, who work with local franchise owners, share their knowledge and learn best practices from one another.

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And while Virgin is often cited as the most expensive operator in the country Smith says that the average price paid for a ticket on the West Coast line has actually fallen in the last decade due to the range of discounts available.

BBC: Searching for the most expensive train journey