Group 1 - The Trump administration plans to reduce tariffs on certain steel and aluminum products to address inflation pressures and improve voter support ahead of the midterm elections [1][2] - High tariffs, up to 50%, imposed last summer on imported steel and aluminum have significantly impacted U.S. consumers and businesses, contradicting claims that foreign exporters bear the cost [1][3] - The U.S. Trade Representative's office is reviewing the list of products affected by tariffs and may exempt certain items while launching targeted national security investigations [2] Group 2 - The overall tariff levels in the U.S. have reached their highest point since before World War II due to the extensive tariff actions initiated by the Trump administration [3] - A recent poll indicates that over 70% of American adults view the current economic situation as only fair or poor, with 52% believing Trump's economic policies have worsened conditions [3] - The complexity of the current tariff system has led to difficulties in enforcement, with businesses facing inconsistent tax rates on identical products, highlighting the need for simplification [3]

据报道，美国总统特朗普正计划缩减对部分钢铁和铝制品征收的关税范围。在通胀与生活成本压力持 续、拖累其支持率、且中期选举临近的背景下，白宫开始重新评估相关贸易措施。 特朗普政府去年夏天曾对钢铁和铝进口加最高达50%的关税，并将征税范围扩大至由这两类金属制成的 多种商品，包括洗衣机和烤箱等家电产品。 知情人士称，美国商务部与美国贸易代表办公室的官员认为，这些关税正在推高商品价格，损害消费者 利益，例如一次性铝制派盘和食品饮料罐等日用品成本明显上升。 特朗普发起的大规模加关税行动，已将美国整体关税水平推升至二战前以来的最高点。但在选民对生活 成本不满情绪上升的情况下，他也多次撤回或放松部分强硬关税措施。 皮尤研究中心本月公布的民调显示，超过70%的美国成年人认为当前经济状况"仅算一般或糟糕"，约 52%的受访者认为特朗普的经济政策让情况变得更差。 为抑制食品价格上涨压力，政府此前已对部分受欢迎的食品类商品给予关税豁免。 经济学家指出，钢铝关税实施后，实际承担成本的主要是美国消费者，这削弱了特朗普"由外国企业埋 单"的说法。 关税政策也在美国国内引发政治反弹。本周三，部分共和党议员与民主党人一道，在众议院投票反对对 ...