The US has impose(征收（关税等）)d 50% tariffs on some goods from Canada, and Mark Carney, the country’s prime minister, has vowed to match them “dollar for dollar(以牙还牙，对等报复)” after the collapse(崩溃，破裂) of trade talks.
美国已对加拿大部分商品征收50%关税，加拿大总理马克·卡尼在贸易谈判破裂后誓言将“以牙还牙”进行对等报复。
The tariffs came into force(生效) on roughly(大约，粗略地) $20bn (£14.6bn) of goods – ranging(范围从……到……) from hockey sticks to tongue depressors(压舌板) – at 04.00GMT. Trade experts said the tariffs could result in some job losses, but the largest impact is expected to be political, driving a further wedge between the traditional allies.
这些关税于格林尼治时间04:00对价值约200亿美元（146亿英镑）的商品生效，涉及从曲棍球棒到压舌板等各类商品。贸易专家表示，关税可能导致部分失业，但最大的影响预计在政治层面，将进一步加深这对传统盟友之间的裂痕。
The trade row(争端，争吵) is the biggest rupture(破裂，决裂) in recent relations between Washington and one of its closest allies and trading partners as Donald Trump’s bellicose(好战的，好斗的) foreign policy angered officials in Ottawa(渥太华，加拿大首都).
这场贸易争端是华盛顿与其最亲密盟友兼贸易伙伴之一近年来关系中最大的裂痕，因为唐纳德·特朗普的好战外交政策激怒了渥太华的官员。