nontariffWiktionary 原文构词拆分non-前缀Used in the sense of no or none, to show lack of or failure to perform; or in the sense of not, to negate the meaning of the word to which it is prefixed.+tariff词根/词干词源说明From non- + tariff.释义（英文）形容词 Adjective(usually of a restriction to trade) Not involving the imposition of a tariff in the form of a tax or duty.词族派生词（2）nontariff barrierNTM