求翻译：本文提出了融资优化模型，从理论上讲应选取足够量的样本对其进行检验，但由于不同企业各融资工具的成本难以计算，融资能力难以量化等原因，这部份工作本文并未做出。是什么意思？

In this paper, the financing optimization model, in theory, should select a sufficient amount of sample to be tested to its financing capacity is difficult to quantify, but difficult to calculate due to the cost of financing instruments of the different enterprises, and other reasons, this part of t

This paper presents the optimization models, financing in theory, should be sufficient volume of the sample selected for examination, but due to the different business financing tool that it is difficult to calculate costs, financing, it can be difficult to quantify because this part of the work, it

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Optimization model of financing is presented, theoretically you should select plenty of samples to be tested, but difficult to calculate the cost of different enterprises financing, financing capacity is difficult to quantify reasons, this part does not make this article.

This article proposed the financing optimization model, theoretically speaking should select the enough quantity the sample to carry on the examination to it, but because the different enterprise each financing tool cost calculates with difficulty, reasons and so on financing ability quantification,