[00:03.81]customs duty :关税 [00:05.98]duty-free :a.免税的 [00:08.01]export :n.出口 [00:09.82]import ban :进口禁令 [00:11.83]import restriction :进口限制 [00:14.10]import substitution :进口替代 [00:16.55]non-tariff barrier :非关税...
