I think both malls and markets have different quality. The price of the market does not need to be always in a department store and it's not necessarily always expensive.
I think the malls and markets, it is the quality varies. The price of the market is not necessarily always right. And in the malls do not need an expensive one.
I think the supermarket and market all have different qualities. The price of the market need not be always. And in shopping malls, need not be expensive always.