Shopping online or in a physical store? No matter what kind of product you buy, you must first make sure that what you buy is not marked by the merchant with the words "This product is a special price, discount, and preferential product that cannot be returned or exchanged." Secondly, you must ensure that the trademark, hangtag, and packaging are intact, and the clothing has no obvious stains. Damage, so you can communicate with the seller or waiter in the store. Some stores on Taobao provide a seven-day no-reason return service. However, if it is because the buyer does not like it for this subjective reason rather than due to quality problems or the wrong goods being shipped, the return shipping fee will be borne by the buyer. . It is generally easier to exchange in physical stores, but more difficult to return. However, the reputation of big-name merchants is still relatively good. Don't get excited when communicating and negotiate carefully.