科索沃地区领导人库尔蒂：所有进入科索沃地区的美国产品都是零关税。

Group 1 - The core point of the article is that all American products entering the Kosovo region are subject to zero tariffs [1] Group 2 - This policy may enhance trade relations between Kosovo and the United States, potentially increasing the volume of American goods in the region [1] - The zero tariff initiative could attract more American businesses to invest in Kosovo, fostering economic growth [1]