trade by commodities 商品贸易

visible trade 有形贸易

invisible trade 无形贸易

barter trade 易货贸易

bilateral trade 双边贸易

triangle trade 三角贸易

multilateral trade 多边贸易

counter trade 对销贸易；抵偿贸易

counter purchase 互购贸易

buy-back 回购贸易

compensation trade 补偿贸易

processing trade 来料加工贸易

assembling trade 来料装配贸易

leasing trade 租赁贸易

in exchange for 用...交换...

trade agreement 贸易协议