一群小企业周二提起诉讼，要求阻止特朗普8月对从加拿大进口的商品加征关税。
他们表示，这些关税是又一次试图主张不受约束的总统关税权力，而这种权力已在法庭上被普遍否定。
A group of small businesses on Tuesday sued to stop Trump's August tariffs on imports from Canada, saying that the duties represent another attempt to claim an unfettered presidential tariff power that has been roundly rejected in court.