求翻译：到目前为止，我国对营改增后交通运输企业的研究还没有进行全面的论述，主要集中于对改革后企业税负和利润的研究，对交通运输企业的项目投资决策的影响研究还没有进行分析。是什么意思？

So far, after the increase of the camp changed transportation enterprises have not yet comprehensive discussion mainly focused on the reform the corporate tax and profit transportation project investment decision-making Analysis.

So far, my to-read transportation companies after the research has not yet been fully addressed, concentrated mainly in the post-reform business tax burden, and profit of the study of transportation companies in the investment of the project decision-making affecting research has not yet been analyz

So far, our country changes after the camp increases the transportation enterprise's research not to carry on the comprehensive elaboration, mainly concentrates in after reforms the enterprise tax burden and the profit research, has not carried on the analysis to the transportation enterprise's proj

To date, our study modified transport enterprises after the camp has not been fully discussed, focused mainly on reform of corporate tax and profit after research, transportation research has not yet analyzed the impact of project investment decision.

正在翻译，请等待...