The computer is a very important invention.
电脑是个很重要的发明。
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。
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。
ComputersThe computer is a very useful machine. It is the most important invention in many years.
计算机是一种很有用的机器，它是多年来最重要的发明。
ComputersThe computer is a very useful machine. It is the most important invention in many years.
计算机是一种很有用的机器，它是多年来最重要的发明。
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