It is a commonplace of modern technology that problems have solutions before there is knowledge of how they are to be solved.
现代技术的一个普遍现象是，问题在尚未知道如何解决之前就有了解决方案。
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Problems
现代技术的一个普遍现象是，问题在尚未知道如何解决之前就有了解决方案。