It's been more than a year since the U S imposed heavy tariffs on Canadian steel Then in April the American president tacked on further penalties onto fabricated steel items crossing into the United States

自美国对加拿大钢材征收高额关税以来，已经过去一年多了。随后在今年4月，美国总统又对进入美国的钢材加工产品追加了更多惩罚性关税。