汽車之類的是來自歐盟, .日本. 鋁之類的是來自加拿大，這個都沒看出來

 

Steel

Roughly a quarter of all steel used in the United States is imported, the bulk of it from neighbours Mexico and Canada or close allies in Asia and Europe such as Japan, South Korea and Germany.

 

https://www.reuters.com/markets/commodities/where-does-us-get-its-steel-aluminum-2025-02-10/#:~:text=In%20the%20case%20of%20aluminum,the%20next%20nine%20countries%20combined.