求翻译：土地增值税作为抑制土地投机、调控房价的重要举措，在实施过程中仍存在着许多不足，如何完善相关制度是我们国家急需解决的问题。是什么意思？

Inhibition of land speculation as land tax, an important measure to control prices, in the implementation process, there are still many deficiencies, how to improve the relevant system is urgent problems of our country.

Land value-added tax as a curb land speculation, regulation and control of housing prices, an important measure in the process of implementing many of the deficiencies still exist, and how to improve the relevant system is our national problems requiring urgent solutions.

The land increment duty took suppression land congenial, regulative house price important action, still has many insufficiencies in the implementation process, how consummates the correlation system was our country urgent need solution question.

Land value-added tax as restrain land speculation, important measures for regulating prices, implementation process there are insufficient how perfect the related system is our nation be solved problems.

Increment tax on land as an important measure to curb land speculation, control prices, there are still many deficiencies in the implementation process, how to improve the relevant system is urgently needed to address the problem of our country.