阿摩線上測驗
2 _______ are essential to determine if goods are eligible for preferential tariffs or non-preferential tariffs.
(A)Rules of Origin
(B)Customs classification
(C)Customs Valuation
(D)Customs Assessment
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統計： A(23), B(23), C(4), D(1), E(0) #2776726
統計： A(23), B(23), C(4), D(1), E(0) #2776726
