The computer is a very important invention.

电脑是个很重要的发明。

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This invention will play a very important role in the future.

在将来，这项发明将扮演一个非常重要的角色。

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The computer is a very useful machine. It is the most important invention in many years. People use it widely today in many ways.

计算机是一种很有用的机器，它是多年来最重要的发明。今天，人们广泛地使用计算机。

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Although Paganism is largely a recent invention, and imposes very few constraints on its members, one important branch of it has been designated "officially" a religion.

BBC: UK