美国对某些非洲国家征收高达30%的关税,调整因国而异。 US imposes up to 30% tariffs on some African countries, adjustments vary by nation.

美国对一些非洲国家征收最高达30%的关税,包括对来自尼日利亚和其他国家的进口品征收15%的关税。 The US has imposed tariffs of up to 30% on some African countries, including a 15% tariff on imports from Nigeria and others. 马达加斯加和安哥拉等一些国家降低了关税,而另一些国家则提高了关税。 Tariffs were lowered for some countries like Madagascar and Angola, while others saw increases. 这一举动影响到贸易关系,并且是在与美国就贸易和安全协定进行谈判的过程中发生的。 The move affects trade relations and comes amid negotiations for trade and security agreements with the US.