triangular trade
noun
mass noun
1- a multilateral system of trading in which a country pays for its imports from one country by its exports to another三角贸易（一国以向第三国出口的方式支付从另一国进口货物的多边贸易）。
1.1
- used to refer to the trade in the 18th and 19th centuries which involved shipping goods from Britain to West Africa to be exchanged for slaves, these slaves being shipped to the West Indies and exchanged for sugar and other commodities which were in turn shipped back to Britain三角贸易（18、19世纪将商品从英国运到西非以换取奴隶, 然后将他们运至西印度群岛以交换当地的蔗糖及其他货物, 再将这些货物运回英国的贸易）。