What is the future for trains?

火车的未来是怎样的？

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Flu vaccines work by introducing a killed version of circulating virus strains, which trains the body's immune system to recognize and attack similar invaders in the future.

流感疫苗通过导入一种杀死的流感病毒变种起作用，来训练身体的免疫系统识别这些变种并在将来遇到类似的入侵者时作出反击。

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Meditation trains the brain to be more present-focused and therefore to spend less time anticipating future negative events.

冥想把大脑训练得更加关注当前，因而减少了花在预期将要发生的消极事件上的时间。

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"Getting broadband is as important for the future of rural areas as trains were 150 years ago and roads were 50 years ago, " he added.

BBC: NEWS | UK | Wales | Mid | Sites gather broadband support

To minimize future chaos and literally keep the trains running, Kaspersky and his company are expanding their ambitions beyond mere antivirus software to build their own, extra-secure operating system just for large-scale industry.

ENGADGET: Kaspersky Labs preps its own OS to guard vital industry against cyberwarfare

And maybe I can see a future where you swipe in and out on trains and buses using an NFC phone instead of a card.

BBC: NFC - not for consumers?