求翻译：第二，绿色GDP核算方法还不成熟。到目前为止，在全世界范围内，许多资源耗减成本和环境损失代价的估价都处于探索过程之中。因此，尽管专家学者们开发出若干估价方法，但很多方法都还不成熟。如何对环境的损失加以计算；如何解决进行绿色GDP核算在发展观与政绩观上的难点；如何填补我国与绿色GDP核算相关的法规制度方面的空白，是当前绿色GDP所面临的主要困难。是什么意思？

Second, the green GDP accounting method is not mature. So far, worldwide, many resources depletion costs and environmental damage cost valuation are in the exploration process. Thus, while scholars have developed several valuation methods, but many methods are not yet ripe. How to calculate the loss

No. 2, and the green GDP accounting methods are not yet ripe. So far, world wide, many resource depletion and environmental cost cost the valuation at the exploratory process. Therefore, even though the experts and scholars also developed several valuation methods, but there are many ways that are n

Second, the green GDP calculation method is not mature.So far, in the world scope, many resources depletion cost and the environment loss price estimate all is in the exploration process.Therefore, although the experts develop certain estimate method, but very many methods are not all mature.How cal

Second, the Green GDP accounting method was premature. To date, in the context of the world, many resource depletion cost and valuation of environmental damage costs are in the process of discovery. Therefore, although the experts and scholars developed a number of valuation methods, but many are no

Second, the Green GDP accounting method was premature. To date, in the context of the world, many resource depletion cost and valuation of environmental damage costs are in the process of discovery. Therefore, although the experts and scholars developed a number of valuation methods, but many are no