美关税蔓延，巴西航空公司面临巨额损失

Group 1 - The return of unilateralism, particularly through the U.S. tariff policy, poses significant risks to global economic stability and multinational companies [1][4] - Embraer, the third-largest aircraft manufacturer globally, has reported potential losses in the billions due to impending U.S. tariffs, which could severely impact its financial health and international cooperation [1][3] - The U.S. government's proposed 50% tariff on Embraer's aircraft could lead to an additional cost of 50 million Brazilian Reais (approximately 6.42 million RMB) per aircraft, resulting in order cancellations, delivery delays, and potential layoffs [3][4] Group 2 - The challenges faced by Embraer are reflective of broader issues affecting global industries, as nearly every sector is impacted by U.S. protectionist policies, disrupting normal international trade [4][6] - The unilateral trade policies of the U.S. threaten the interconnectedness of the global economy, with potential long-term consequences for U.S. companies that rely on global supply chains [6][9] - The warning from Embraer serves as a broader alert regarding the future of globalization, highlighting the need for multinational companies to navigate increasing uncertainties in international trade [9]