求翻译：但在实际估价中，该方法存在两个方面的缺陷，一方面是在可比案例的选取过程中，需要搜集足够多的交易案例；另一方面则是选择影响因素的修正问题。是什么意思？

The actual valuation of the existence of two gaps, on the one hand is in the process of selection of comparable cases, need to collect a sufficient number of transactions case; Factors in Selecting fix the problem.

But in the actual value, the method there are two aspects of the defects, on the one hand is more than can be the case in the selection process, you need to collect more than enough transaction case; on the other hand, the choice of correction factors.

But in the actual estimate, this method has two aspects the flaws, on the one hand is in may compared to in the case selection process, needs to collect the enough many transaction case; On the other hand is chooses the influence factor the revision question.

But in practice, valuation, which contain two defects, on the one hand in a comparable case in the selection process, you need to collect enough case; the other is on influence factors of amendments.

正在翻译，请等待...