慢速英语:美国钢铁工人质疑特朗普的关税政策

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tariff – n. a tax placed on imported good

benefit – n. profit or assistance gained from something

intend – v. to plan or want to do something

unsustainable – adj. something that must end

appropriate – adj. the right behavior or way

agenda – n. a plan or goal that guides someone's behavior and that is often kept secret