对华政策出现明显矛盾摇摆，美贸易代表对华关税表态前后不一

Group 1 - The core viewpoint is that the U.S. Trade Representative, Tai, stated that the U.S. will seek to maintain the current tariff rates on Chinese goods, which are at 10%, with some countries potentially increasing to 15% [1][3] - Tai emphasized that there is no intention to raise tariffs above the current levels and that the U.S. plans to adhere to the agreements made with China [1][3] - The U.S. Trade Representative's office plans to accelerate investigations under Section 301, covering major trade partners and areas such as drug pricing, indicating that tariffs could be used if unfair trade practices are found [1][3] Group 2 - The Chinese Ministry of Commerce responded by stating that China has fulfilled its obligations under the Phase One trade agreement, despite challenges from the pandemic and global economic downturn [2][4] - The spokesperson highlighted that if the U.S. insists on pursuing investigations or imposing tariffs, China will take necessary measures to protect its legitimate rights [2][4] - An expert noted that the conflicting statements from the U.S. reflect a deep-rooted hegemonic mindset and a strategic contradiction between containment and reliance on China for cooperation on various economic issues [2][4]