We forgot that air power alone is no substitute for local knowledge and boots on the ground, and that technological supremacy is no guarantee of victory.
我们忘记了空中力量代替不了对当地的了解和脚踏实地，而且技术优势并不能保证胜利。
Regaining lost supremacy can be very difficult, partly because new geographic centers of technological excellence can and do emerge on the world stage, seemingly out of nowhere.
重拾失去的主导地位可能很困难，部分原因在于新的优秀技术中心似乎能够、而且也的确会突如其来地登上世界舞台。
Regaining lost supremacy can be very difficult, partly because new geographic centers of technological excellence can and do emerge on the world stage, seemingly out of nowhere.
重拾失去的主导地位可能很困难，部分原因在于新的优秀技术中心似乎能够、而且也的确会突如其来地登上世界舞台。
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