He nevertheless faced a cost question.
但他遇到了成本问题。
The cost question is discussed by way of system engineering and a new concept-Cost system engineering is given in the paper.
本文用系统工程方法研究成本问题，提出了成本系统工程的概念。
When faced with the omnipresent cost question, most designers will quickly turn to a linear implementation, which can cost almost half the alternative.
在面对无所不在的成本问题时，大多数设计人员都会很快选择可将成本减少几乎一半的线性实施方案。
The cost question has naturally become one of the key issues in the economics study as well as the major problem focused on by economists in real world.
因此，成本问题就理所当然的成为经济学研究的最重要的问题之一，现实世界中也一直是经济学家研究的主要问题。
The cost question has naturally become one of the key issues in the economics study as well as the major problem focused on by economists in real world.
因此，成本问题就理所当然的成为经济学研究的最重要的问题之一，现实世界中也一直是经济学家研究的主要问题。
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