Younger brother school of arts living, mentor sent live text analysis, short is in the news have raised prices, to extract the purchase price, the original price, the current price, be punished the information such as gold, the expression of these key information and each are not identical, some say, for example, disposable masks had 5 a MAO, now 3 yuan a, some say again from 5 hair up to 3 yuan, have bosses to give directions,