However, as for deriving product, to set its price is a key and complicated problem.

然而，就衍生产品而言，对其定价是一个关键又复杂的问题。

youdao

However, as for deriving product, to set its price is a key and complicated problem.

然而，就衍生产品而言，对其定价是一个关键又复杂的问题。

youdao