美加貿易的數字不是簡單相加的,比如一輛汽車從原材料到出廠2需要來來回回4/5次過邊界

來源: cn_abcd 於 2026-01-14 08:40:46 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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