GDP in the euro area fell by 0.2% in the second quarter, unrevised from a provisional estimate, leaving it 1.4% higher than a year earlier.

第二季度，欧元地区的GDP下降了0.2%(未经修正的暂估值)，比一年前高了1.4%。

So this paper expounds its advantages and disadvantages from many aspects, then advocates pricing method and applied scope of provisional estimate.

在多方面论述应用暂估价的优点与不足之处的基础上，提出暂估价的定价方法及运用的(材料)范围。