Tariffs are commonly levied in one of two ways: ad valorem tariff or specific tariff.

关税通常以下列两种方式的一种征收: 从价关税或从量关税.

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Specific tariff is relatively easy to apply and administer, particularly to standardized commodities and staple products.

从量税比较容易实施及管理, 尤其是对于标准化商品和主要产品.

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