set sales

set sales of this way of selling has been very popular, I remember when, still a decade ago, when I still work on the mainland, I found many parts of the mainland do not have universal access to this way of selling the set the sales, although in some citieshas been adopted by some company or business the owner of this sales approach, but many places are still very backward kind of way of selling, is now 10 years later, set the sales of this way of selling has been around in every region of the mainland.even with full coverage of this word to describe I think it is no exaggeration, this proves the mainland society as a whole are in tight with the world trend change.