没有科学和技术知识，我们的社会就不能存活下来。

Our society could not survive without scientific and technological knowledge.

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因此，烟花的历史向我们展示了科学家、技术人员和社会其他人之间存在的各种关系。

So the history of fireworks shows us the diverse relationships which existed between scientists, technicians and the rest of society.

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但是下周就年过53的盖茨已经逐渐将他的注意焦点从微软转移到技术，科学和社会问题上面来了。

But Gates, who turns 53 next week, has increasingly expanded his focus beyond Microsoft to problems of technology, science and society.

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