日本教授坦言：这场关税战让日本发现，与中国合作多么重要！

Group 1 - The ongoing tariff negotiations between Japan and the United States have not reached an agreement, indicating significant contradictions and differences between the two parties [1] - Japan's economy is still struggling, with GDP growth nearly stagnant last year, highlighting the urgency for Japan to defend its economic interests amid the tariff war [10] - Japanese decision-makers recognize that relying solely on the U.S. is not a sustainable strategy, prompting a need for diversified development paths and stronger ties with China [15] Group 2 - Japanese professor Shiratori Hiro emphasizes the importance of a strong stance against U.S. tariff threats, suggesting that Japan should adopt a proactive approach similar to China's [3][12] - The U.S. has imposed high tariffs on Japanese automobiles, which could severely impact Japan's economy, leading to a firm opposition from Japanese Prime Minister Shigeru Ishiba [10] - Japan's response to U.S. demands includes a commitment to maintain trade relations with China, as the latter is a crucial trading partner for Japan [12]