关税执念从何而起？80年代日本成宿敌，让特朗普耿耿于怀三十年！

Core Insights - Trump's trade policy is deeply influenced by the economic conditions of Japan in the 1980s, with trade issues remaining a central topic during his recent visit to Tokyo [1][3] - Japan's economic status has significantly declined, now ranking fourth globally, which contrasts with Trump's perception of Japan as a competitive threat [3][5] - The U.S.-Japan trade agreement includes Japan committing to a 15% tariff on U.S. goods and a promise to invest $550 billion in the U.S. [3] Group 1 - Trump's view of Japan as a competitor is outdated, as Japan has not been a direct competitor to the U.S. for decades [3][5] - Japan's economy has faced prolonged stagnation since the 1991 real estate bubble burst, leading to low investment and demand [3][5] - Structural issues such as an aging population and labor shortages are prompting Japan to accept more foreign workers [5][8] Group 2 - The historical context of U.S.-Japan relations reflects changes in the global economic landscape and Trump's enduring economic views [7] - Despite challenges, Japan's strengths in high-end manufacturing, technological innovation, and social stability position it to find new growth opportunities [8]