A generation ago, during a previous resource boom, African states set about building roads and railways. In few countries did this lead to prosperity.

因为早在前一代人资源繁荣时期，非洲国家就着手公路铁路建设，一些国家因此也确实走向繁盛。

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Over the past few years China has completed more and more high speed railways.

过去几年，中国建成了越来越多高速公路。

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"There are hundreds of level crossings in use on Britain's railways and there have been very few incidents at these crossings, " a spokesman said.

BBC: NEWS | UK | Axing crossings 'not practical'

In my view privatisation was a significant factor in the chaos that there is but the real reason is the under-investment in the railways and the quadrupling of public investment in the railways over the next few years, all as part of this new settlement for the future, the quadrupling of that investment will in my view be fantastically important.

BBC: NEWS | Programmes | Breakfast with Frost | Economy is key battleground