问答题
dutiespaidonimportedgoodsthatarerefundedwhenre-exported...
问答题duties paid on imported goods that are refunded when re-exported（）
tokeepfixedorunchanged（）
问答题to keep fixed or unchanged（）
Large-scalepublicservices,suchaswaterandpowersupplies,r...
问答题Large-scale public services, such as water and power supplies, road, rail and radio communications, etc. needed to support economic activities, esp. industry, trade and commerce（）
