编辑同志:最近,我以885元的价格在某家电商场购买了一台SC-25型吸尘器,当时产品标价签上注明产地是“美国”。数日后,我发现吸尘器的软管和硬管接触不好,在向商场要求退换时,竟意外地发现该吸尘器的外包装改成了“日本”制造,价格改为了685元。请问:商场的这种行为是否构成“欺 Edit Comrades: Recently, I bought an SC-25 vacuum cleaner at an appliance store at a price of 885 yuan, when the product’s price tag was marked on the place of production in the United States. A few days later, I found that the vacuum cleaner hose and tube contact is not good, when asked to return to the mall, unexpectedly discovered that the vacuum cleaner outer packaging into a “Japan” manufacturing, the price changed to 685 yuan. I ask you: whether this behavior of shopping malls constitute a "bully