For several decades, that tendency has been offset by ever more intensive trading of tradable goods, often passing through many countries in complex supply chains. In the future, however, the shift to non-tradable consumption may dominate.
几十年来，这一趋势一直被越发频密的可贸易商品交易所抵消，这些交易往往通过复杂的供应链在许多国家之间流通。然而在未来，非贸易消费可能转而占据主导地位。