Data centres are essential to nearly every industry and have become as vital to the functioning of society as power stations are.

数据中心几乎遍及各个行业，而且在社会中的重要性有如发电厂。

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On the other are librarians, library users and authors, who believe local libraries are vital centres of literature and learning.

BBC: Library cuts: The battle of the bookshelves

Responding to the debate, Social Development Minister Nelson McCausland said town centres were vital to the economic life of Northern Ireland.

BBC: Regeneration of Bangor Town Centre

This connection to patients and research centres is vital for small biotech firms, says Julian Adams, chief scientific officer of Infinity Pharmaceuticals, a cancer company.

ECONOMIST: REPORTS