新任美国驻华大使珀杜宣誓就职，引发外媒关注与讨论

Group 1 - David Perdue was sworn in as the U.S. Ambassador to China amid tense U.S.-China trade relations, drawing attention from foreign media [1] - President Trump emphasized Perdue's capability to handle one of the most complex diplomatic relationships and expressed confidence in his performance [1] - Perdue has 40 years of international business experience and has lived and worked in Singapore and Hong Kong, making him familiar with the Asian business ecosystem [1] Group 2 - Some foreign media speculate on Perdue's appointment, noting his previous advocacy for a stronger U.S. Navy to counter China's military presence in the Pacific [2] - CNBC reported that Wall Street and the general public are eager for upcoming U.S.-China negotiations to ease trade tensions [2] - Perdue's lack of diplomatic experience may influence his future work, which could depend on his close relationship with Trump and his ability to navigate U.S.-China relations [2]