With regard to the change of 618 this year, the Professor of the School of Business and Industry Management of the University of Economics and Trade of the Capital, concluded that, first, it was quiet, not as it was every year, with many activities on the line and under the line; Secondly, the extension of the entire promotional cycle for nearly one month is very good and goes through the entire luncheon and a good season in June; Thirdly, promotions are strong. The overall discount is much s...