That's why string theory also is sometimes called a theory of everything, because it could serve someday as a foundation for all future scientific discovery and innovation.
这就是为什么有时候弦论被称为一切的理论，因为有一天它会成为所有未来科学发现和革新的基础。
But despite the growing infusion of capital, innovation and talent, solar power will provide only a tiny fraction of the world's electricity needs for the foreseeable future.
尽管资金、创意和才智仍在源源注入，太阳能动力在不远的将来只能供给全球所需电力一丁点零头。
In part, what has made this progress possible was a commitment by our nation to scientific discovery and technological innovation, and an unyielding faith in the future - even during difficult times.
在某种程度上，这些进步归功于我国对科学发现和技术创新的持续投入以及对未来的坚定信心——即使在困难时期也不例外。
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