单方面关税加剧全球发展的不确定性（国际论坛）

Group 1 - The U.S. tariff policy is causing economic isolation, harming American consumers and businesses, and threatening decades of progress in global cooperation and prosperity [1][2] - The unilateral tariff measures have raised concerns internationally, leading to price increases and business uncertainties that are already evident [1][2] - The U.S. international image is deteriorating as unilateral actions undermine the rule-based international order, affecting global economic cooperation and supply chain stability [1] Group 2 - Tariffs are expected to be passed on to consumers, resulting in price increases for various goods, with an average loss of $4,400 per American household according to a Yale study [2] - The reduction in imports is weakening competition for domestic producers, leading to further price hikes and potential layoffs in sectors reliant on global supply chains [2] - The lack of transparency and coherence in U.S. trade policies is inhibiting long-term planning for businesses, stifling innovation and growth, and reducing competitiveness both domestically and internationally [2]