Briefly describe the source of keywords in cross-border e-commerce product titles: Brand monopoly: Under traditional model retailers, overseas brands need to rely on local agents to expand domestically, and local agents will naturally help brands to expand into remote areas. It is necessary to obtain excess profits through monopoly advantages, which results in inflated terminal sales prices; policy liberalization: starting from 2012, government policies began to gradually liberalize to promote the development of the cross-border e-commerce industry; heavy tax burden: according to data from the World Bank , in 2013, the comprehensive tax burden on goods in some countries and regions in East Asia, China ranked first with 63.7%, 14% higher than Japan, which ranked second; consumption upgrade: the continuous improvement of per capita GDP and income, the impact on brand quality As demand escalates, overseas products fill the gap in consumption upgrades. At the same time, domestic supervision and production capacity cannot keep up with the demand for overseas products. Quality category advantages: The newly emerging middle-class consumers have higher requirements for quality and have greater trust in foreign products. Some brands and product categories are only sold abroad and have not been introduced in China. As consumption levels increase, Chinese consumers begin to pursue richer product categories.