triangular barter

例句：

1. 1. The company's decision to switch to a triangular barter system has been met with mixed reactions.
   该公司决定采用三角形交换系统，但反应不一。
2. 2. In the triangular barter economy, goods are traded for services rather than money.
   在三角形交换经济中，商品是以服务而非货币进行交易的。
3. 3. The triangular barter system is often used in developing countries where resources are scarce and demand is high.
   三角形交换系统常用于资源稀缺且需求旺盛的发展中国家。