go down 仓库
import tariff 进口税则
most favored nation clause 最优惠国家条款
national tariff 国定税率
personal effects 私人用品
preference 特惠，优先
retaliatory duties 报复关税
slipping 移转
smuggled goods 走私货
specific duty 从量税
storage 仓租
tariff 税则，关税
transit duty 过境税