据知情人士透露，越南和美国据称即将达成一个贸易框架，该协议将根据商品中外国产品成分的比例，施加一定幅度的关税。

Group 1 - The core point of the article is that Vietnam and the United States are reportedly close to reaching a trade framework that will impose tariffs based on the proportion of foreign products in goods [1] Group 2 - The agreement will specifically apply tariffs according to the composition of foreign products within the goods [1]