美国的贸易伙伴大多数未能对特朗的关税战进行报复，让这位被嘲笑为“总是临阵退缩”的美国总统以很少的成本增加了近500亿美元的额外关税收入。

Group 1 - The majority of America's trade partners have not retaliated against Trump's tariff war, allowing the U.S. president to increase additional tariff revenue by nearly $50 billion at minimal cost [1]