It changes so rapidly that no scientist or engineer can keep up with his own field, much less with technology in general.
科技进步如此迅速，没有哪个科学家或工程师能在他自己的专业领域完全跟上其脚步，更别说通用技术这一更大范围了。
It changes so rapidly that no scientist or engineer can keep up with his own field, much less with technology in general.
科技进步如此迅速，没有哪个科学家或工程师能在他自己的专业领域完全跟上其脚步，更别说通用技术这一更大范围了。
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