大萧条早已证明供给本身并不提供需求。
The Great Depression proved that supply does not create its own demand.
事实证明，降低需求非常困难。
事实证明，降低需求非常困难。
证明自己在实现这一需求的优越性。
大型深冷空分工厂的需求分析，证明了该方法的应用。
The method's application was demonstrated by large-scale deep cooling air-separating plant's demand analysis.
证明自己在实现这一需求的优越性。
已经证明，需求不足的时候，项目计划就会被搁置。
In times of slow demand, project timetables have been known to slide.
实践证明，设计一个包罗万象的软件满足人们的需求是不现实的。
We know that designs a comprehensive software to meet all requirements is not wise.
实践证明，设计一个包罗万象的软件满足人们的需求是不现实的。
We know that designs a comprehensive software to meet all requirements is not wise.
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