Powerful new forces altering society and the global economy include cybergenesis, the merging of humans and smart machines, and biogenesis, the harnessing of genetic technologies to improve ourselves.

改变社会和全球经济的强大新力量包括网络起源，人类和智能机器的结合，生物起源以及利用基因技术来改善自我。

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Only in this way can we improve ourselves.

只有用这种方法我们才能不断提高自己。

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We struggle because we want to improve ourselves.

我们拼搏努力，因为我们渴望提升我们自己。

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The training to improve ourselves as cricketers is obviously quite intense, so it's one of those things.

BBC: Cricket World Cup: Injury ends Stuart Broad's campaign

We must look at ourselves and improve for the play-offs.

BBC: Bristol beat Ayr to reach the British & Irish Cup semis

My goal if confirmed will be to significantly improve the way we defend ourselves in this domain.

CNN: U.S. won't militarize cyberspace, nominee says